diff --git a/assets/reactions/agcl_p_na2s.tres b/assets/reactions/agcl_p_na2s.tres
index 20794bd..ea8efd4 100644
--- a/assets/reactions/agcl_p_na2s.tres
+++ b/assets/reactions/agcl_p_na2s.tres
@@ -1,4 +1,4 @@
-[gd_resource type="Resource" script_class="Reaction" format=3 uid="uid://b84essimpfmee"]
+[gd_resource type="Resource" script_class="Reaction" load_steps=11 format=3 uid="uid://b84essimpfmee"]
 
 [ext_resource type="Script" uid="uid://bb8o8l6u6fiai" path="res://src/resources/reaction_substance.gd" id="1_rvq0y"]
 [ext_resource type="Script" uid="uid://dwks86y6383p4" path="res://src/resources/reaction.gd" id="2_oqih4"]
diff --git a/assets/reagents/HCl.tres b/assets/reagents/HCl.tres
index c8ae847..af6703e 100644
--- a/assets/reagents/HCl.tres
+++ b/assets/reagents/HCl.tres
@@ -1,7 +1,6 @@
-[gd_resource type="Resource" script_class="Reagent" format=3 uid="uid://cxpovcqviqurr"]
+[gd_resource type="Resource" script_class="Reagent" load_steps=3 format=3 uid="uid://cxpovcqviqurr"]
 
 [ext_resource type="Script" uid="uid://bditqax8ibmxw" path="res://src/resources/reagent.gd" id="1_5si53"]
-[ext_resource type="PackedScene" uid="uid://cw6v8kbi76qak" path="res://scenes/substance_jar.tscn" id="2_dby88"]
 [ext_resource type="Resource" uid="uid://bj3cdfwvgksee" path="res://assets/substances/HCl.tres" id="2_no7s4"]
 
 [resource]
diff --git a/assets/textures/bubble.png b/assets/textures/bubble.png
deleted file mode 100644
index b26fda2..0000000
Binary files a/assets/textures/bubble.png and /dev/null differ
diff --git a/assets/textures/bubble.png.import b/assets/textures/bubble.png.import
deleted file mode 100644
index 07769dc..0000000
--- a/assets/textures/bubble.png.import
+++ /dev/null
@@ -1,40 +0,0 @@
-[remap]
-
-importer="texture"
-type="CompressedTexture2D"
-uid="uid://bkuxwtxum1r4x"
-path="res://.godot/imported/bubble.png-a4e9df5e78917cd4475ee7b84b1534f0.ctex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://assets/textures/bubble.png"
-dest_files=["res://.godot/imported/bubble.png-a4e9df5e78917cd4475ee7b84b1534f0.ctex"]
-
-[params]
-
-compress/mode=0
-compress/high_quality=false
-compress/lossy_quality=0.7
-compress/uastc_level=0
-compress/rdo_quality_loss=0.0
-compress/hdr_compression=1
-compress/normal_map=0
-compress/channel_pack=0
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-process/channel_remap/red=0
-process/channel_remap/green=1
-process/channel_remap/blue=2
-process/channel_remap/alpha=3
-process/fix_alpha_border=true
-process/premult_alpha=false
-process/normal_map_invert_y=false
-process/hdr_as_srgb=false
-process/hdr_clamp_exposure=false
-process/size_limit=0
-detect_3d/compress_to=1
diff --git a/export_presets.cfg b/export_presets.cfg
index e8b2929..dfee77a 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -3,6 +3,7 @@
 name="Windows Desktop"
 platform="Windows Desktop"
 runnable=true
+advanced_options=false
 dedicated_server=false
 custom_features=""
 export_filter="all_resources"
@@ -10,11 +11,6 @@ include_filter=""
 exclude_filter=""
 export_path="exports/lab-electrolyte.exe"
 patches=PackedStringArray()
-patch_delta_encoding=false
-patch_delta_compression_level_zstd=19
-patch_delta_min_reduction=0.1
-patch_delta_include_filters="*"
-patch_delta_exclude_filters=""
 encryption_include_filters=""
 encryption_exclude_filters=""
 seed=0
@@ -69,50 +65,3 @@ Unregister-ScheduledTask -TaskName godot_remote_debug -Confirm:$false -ErrorActi
 ssh_remote_deploy/cleanup_script="Stop-ScheduledTask -TaskName godot_remote_debug -ErrorAction:SilentlyContinue
 Unregister-ScheduledTask -TaskName godot_remote_debug -Confirm:$false -ErrorAction:SilentlyContinue
 Remove-Item -Recurse -Force '{temp_dir}'"
-
-[preset.1]
-
-name="Linux"
-platform="Linux"
-runnable=true
-dedicated_server=false
-custom_features=""
-export_filter="all_resources"
-include_filter=""
-exclude_filter=""
-export_path=""
-patches=PackedStringArray()
-patch_delta_encoding=false
-patch_delta_compression_level_zstd=19
-patch_delta_min_reduction=0.1
-patch_delta_include_filters="*"
-patch_delta_exclude_filters=""
-encryption_include_filters=""
-encryption_exclude_filters=""
-seed=0
-encrypt_pck=false
-encrypt_directory=false
-script_export_mode=2
-
-[preset.1.options]
-
-custom_template/debug=""
-custom_template/release=""
-debug/export_console_wrapper=1
-binary_format/embed_pck=false
-texture_format/s3tc_bptc=true
-texture_format/etc2_astc=false
-shader_baker/enabled=false
-binary_format/architecture="x86_64"
-ssh_remote_deploy/enabled=false
-ssh_remote_deploy/host="user@host_ip"
-ssh_remote_deploy/port="22"
-ssh_remote_deploy/extra_args_ssh=""
-ssh_remote_deploy/extra_args_scp=""
-ssh_remote_deploy/run_script="#!/usr/bin/env bash
-export DISPLAY=:0
-unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
-\"{temp_dir}/{exe_name}\" {cmd_args}"
-ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
-pkill -x -f \"{temp_dir}/{exe_name} {cmd_args}\"
-rm -rf \"{temp_dir}\""
diff --git a/labs/lab-8-electrolyte.tres b/labs/lab-8-electrolyte.tres
index a410604..5c42382 100644
--- a/labs/lab-8-electrolyte.tres
+++ b/labs/lab-8-electrolyte.tres
@@ -18,7 +18,7 @@
 [ext_resource type="Resource" uid="uid://drcsxqrfgtklt" path="res://assets/reagents/CuSO4.tres" id="7_x21in"]
 [ext_resource type="Resource" uid="uid://pofsgpx0irdn" path="res://assets/reagents/FeSO4.tres" id="8_54yhc"]
 [ext_resource type="Resource" uid="uid://dy6b5n8gadtf0" path="res://labs/lab-electrolyte/experiment-7.tres" id="8_cpwlt"]
-[ext_resource type="Resource" uid="uid://bbbrxgvfp4jvg" path="res://assets/reagents/H2O.tres" id="9_0vi5e"]
+[ext_resource type="Resource" path="res://assets/reagents/H2O.tres" id="9_0vi5e"]
 [ext_resource type="Resource" uid="uid://cxpovcqviqurr" path="res://assets/reagents/HCl.tres" id="10_nk7ls"]
 [ext_resource type="Resource" uid="uid://ic4x25e5j8o" path="res://assets/reagents/KCl.tres" id="11_gdam5"]
 [ext_resource type="Resource" uid="uid://gn654lim8gy6" path="res://assets/reagents/KI.tres" id="12_187c3"]
@@ -40,11 +40,6 @@
 [ext_resource type="Resource" uid="uid://ignwsng3bt4e" path="res://labs/lab-electrolyte/test-3.tres" id="32_anse4"]
 [ext_resource type="Resource" uid="uid://ber4xlsqegke0" path="res://labs/lab-electrolyte/test-4.tres" id="33_vgv2h"]
 [ext_resource type="Resource" uid="uid://d13fl2bs8o6oa" path="res://labs/lab-electrolyte/test-5.tres" id="34_eolar"]
-[ext_resource type="Resource" uid="uid://q37mwgdlirfb" path="res://labs/lab-electrolyte/test-6.tres" id="35_t3lvx"]
-[ext_resource type="Resource" uid="uid://bpdrfoq88tteh" path="res://labs/lab-electrolyte/test-7.tres" id="36_axgl6"]
-[ext_resource type="Resource" uid="uid://jdv2rvp868p4" path="res://labs/lab-electrolyte/test-8.tres" id="37_t1gxe"]
-[ext_resource type="Resource" uid="uid://dh7itd4q5xh7p" path="res://labs/lab-electrolyte/test-9.tres" id="38_gcv8s"]
-[ext_resource type="Resource" uid="uid://clhgdwkshm3b0" path="res://labs/lab-electrolyte/test-10.tres" id="39_jof8k"]
 
 [resource]
 script = ExtResource("3_pogou")
@@ -52,6 +47,6 @@ lab_name = "Лабораторная работа №8 - Растворы эле
 tasks = "Ознакомиться с методами получения слабых кислот и оснований. Изучить влияние введения одноименного иона на смещение равновесия диссоциации слабого электролита. Ознакомиться с различными типами реакций обмена в водных растворах электролитов."
 equipment = "Пробирки. Кислоты, основания, соли, индикаторы."
 experiments = Array[ExtResource("1_28qla")]([ExtResource("2_nk7ls"), ExtResource("3_gdam5"), ExtResource("4_187c3"), ExtResource("5_ujot4"), ExtResource("6_w3d37"), ExtResource("7_je2gp"), ExtResource("8_cpwlt")])
-tests = Array[ExtResource("4_6s74a")]([ExtResource("30_je2gp"), ExtResource("31_cpwlt"), ExtResource("32_anse4"), ExtResource("33_vgv2h"), ExtResource("34_eolar"), ExtResource("30_je2gp"), ExtResource("31_cpwlt"), ExtResource("32_anse4"), ExtResource("33_vgv2h"), ExtResource("34_eolar"), ExtResource("35_t3lvx"), ExtResource("36_axgl6"), ExtResource("37_t1gxe"), ExtResource("38_gcv8s"), ExtResource("39_jof8k")])
+tests = Array[ExtResource("4_6s74a")]([ExtResource("30_je2gp"), ExtResource("31_cpwlt"), ExtResource("32_anse4"), ExtResource("33_vgv2h"), ExtResource("34_eolar")])
 reagents = Array[ExtResource("2_mabxg")]([ExtResource("3_nu2d0"), ExtResource("4_83o17"), ExtResource("5_4xn0j"), ExtResource("6_fg475"), ExtResource("7_x21in"), ExtResource("8_54yhc"), ExtResource("9_0vi5e"), ExtResource("10_nk7ls"), ExtResource("11_gdam5"), ExtResource("12_187c3"), ExtResource("13_ujot4"), ExtResource("14_w3d37"), ExtResource("15_je2gp"), ExtResource("16_cpwlt"), ExtResource("17_anse4"), ExtResource("18_vgv2h"), ExtResource("19_eolar"), ExtResource("20_eh3kp")])
 tools = Array[ExtResource("5_v8c5p")]([ExtResource("24_530yt"), ExtResource("25_nk60r"), ExtResource("26_lp3qm"), ExtResource("27_ytmy7"), ExtResource("28_fsm27")])
diff --git a/labs/lab-electrolyte/test-1.tres b/labs/lab-electrolyte/test-1.tres
index 577a8da..bd21497 100644
--- a/labs/lab-electrolyte/test-1.tres
+++ b/labs/lab-electrolyte/test-1.tres
@@ -4,6 +4,6 @@
 
 [resource]
 script = ExtResource("1_mujbh")
-question = "Сильными электролитами в водных растворах являются все вещества группы…"
-options = Array[String](["KOH, HNO3, H2SO4;", "H2S, H2SO3, H2SO4;", "MgCl2, CH3COOH, NaOH;", "H2S, CH3COOH, H2SO3"])
+question = "Что такое сильные и слабые электролиты?"
+options = Array[String](["Сильные электролиты полностью диссоциируют на ионы в растворе, слабые — частично.", "Сильные электролиты не растворяются в воде, слабые — растворяются хорошо.", "Сильные электролиты проводят ток только в твёрдом состоянии, слабые — в растворе.", "Сильные электролиты образуют осадок, слабые — газ."])
 metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-10.tres b/labs/lab-electrolyte/test-10.tres
deleted file mode 100644
index ffe2516..0000000
--- a/labs/lab-electrolyte/test-10.tres
+++ /dev/null
@@ -1,9 +0,0 @@
-[gd_resource type="Resource" script_class="LabTest" format=3 uid="uid://clhgdwkshm3b0"]
-
-[ext_resource type="Script" uid="uid://dpacehourck22" path="res://src/resources/lab/test.gd" id="1_evbhk"]
-
-[resource]
-script = ExtResource("1_evbhk")
-question = "Уравнению химической реакции:CuCl2 + 2NaOH ↔ Cu(OH)2 + 2NaCl  соответствует сокращенное ионно-молекулярное уравнение:"
-options = Array[String](["Cu 2+ + 2OH– ↔ Cu(OH)2↓;", "Cu 2+ + NaOH ↔ Cu(OH)2↓ + Na+;", "2Сl + 2Na+ ↔ 2NaCl;", "CuCl2 + 2ОН– ↔ Сu2+ + 2ОН– + 2Сl–  "])
-metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-2.tres b/labs/lab-electrolyte/test-2.tres
index 44d0c8d..59212a7 100644
--- a/labs/lab-electrolyte/test-2.tres
+++ b/labs/lab-electrolyte/test-2.tres
@@ -4,6 +4,6 @@
 
 [resource]
 script = ExtResource("1_tocw5")
-question = "Какая из приведенных реакций является обратимой:"
-options = Array[String](["NH4OH + HNO3 = NH4NO3 + Н2O;", "FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl;", "Na2S + HC1 = H2S + 2NaCl;", "НNО3 + КОН = КNО3 + Н2O"])
+question = "Какая величина характеризует силу электролита?"
+options = Array[String](["Степень электролитической диссоциации.", "Массовая доля вещества в растворе.", "Молярная масса вещества.", "Плотность раствора."])
 metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-3.tres b/labs/lab-electrolyte/test-3.tres
index 76b2f8a..1ad5036 100644
--- a/labs/lab-electrolyte/test-3.tres
+++ b/labs/lab-electrolyte/test-3.tres
@@ -4,7 +4,6 @@
 
 [resource]
 script = ExtResource("1_o8p71")
-question = "Среди веществ: H2CO3, ZnSO4, KOH, HCl, HNO2, NH4Cl число сильных электролитов равно… "
-options = Array[String](["1", "2", "3", "4"])
-correct_anwser = 3
+question = "Что такое произведение растворимости?"
+options = Array[String](["Произведение концентраций ионов малорастворимого электролита в насыщенном растворе, возведённых в степени их коэффициентов.", "Произведение массы растворённого вещества на объём раствора.", "Отношение растворимости вещества к температуре.", "Сумма концентраций всех ионов в растворе."])
 metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-4.tres b/labs/lab-electrolyte/test-4.tres
index c461f64..5421618 100644
--- a/labs/lab-electrolyte/test-4.tres
+++ b/labs/lab-electrolyte/test-4.tres
@@ -4,7 +4,6 @@
 
 [resource]
 script = ExtResource("1_5d6hp")
-question = "Выберите уравнение реакции электролитической диссоциации H3ASO4 по первой ступени:"
-options = Array[String](["(HAsО4)2– ↔ H+ + (AsО4)3–;", "H3ASO4 ↔ Н+ + (H2ASO4)–;", "(H2AsО4) ↔ Н+ + (HAsО4)2–;", "(HAsО4) ↔ Н + (ASO4) "])
-correct_anwser = 1
+question = "Что такое водородный показатель?"
+options = Array[String](["Отрицательный десятичный логарифм концентрации ионов водорода в растворе.", "Концентрация молекул воды в растворе.", "Количество гидроксид-ионов в щелочи.", "Массовая доля кислоты в растворе."])
 metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-5.tres b/labs/lab-electrolyte/test-5.tres
index 1a2113d..c3807ea 100644
--- a/labs/lab-electrolyte/test-5.tres
+++ b/labs/lab-electrolyte/test-5.tres
@@ -4,7 +4,6 @@
 
 [resource]
 script = ExtResource("1_3bllg")
-question = "Количество ступеней диссоциации азотной кислоты (НNO3) равно:"
-options = Array[String](["две;", "три;", "четыре;", "одна"])
-correct_anwser = 3
+question = "Какие реакции обмена в растворах электролитов относятся к братимым и необратимым реакциям?"
+options = Array[String](["Обратимые — протекают не до конца и устанавливают равновесие; необратимые — идут до конца с образованием осадка, газа или слабого электролита.", "Обратимые — идут только при нагревании, необратимые — только при охлаждении.", "Обратимые — протекают без изменения цвета, необратимые — с изменением цвета.", "Обратимые — идут только в щелочной среде, необратимые — только в кислой среде."])
 metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-6.tres b/labs/lab-electrolyte/test-6.tres
deleted file mode 100644
index afbb952..0000000
--- a/labs/lab-electrolyte/test-6.tres
+++ /dev/null
@@ -1,9 +0,0 @@
-[gd_resource type="Resource" script_class="LabTest" format=3 uid="uid://q37mwgdlirfb"]
-
-[ext_resource type="Script" uid="uid://dpacehourck22" path="res://src/resources/lab/test.gd" id="1_31rvo"]
-
-[resource]
-script = ExtResource("1_31rvo")
-question = "Схема реакции, соответствующая сокращенному молекулярно-ионному уравнению 2H+ + CO32− = H2O +CO2↑, имеет вид…"
-options = Array[String](["NaHCO3 +H2SO4 →", "Na2CO3 +H2SO4 →", "CH3COOH + Na2CO3 →", "Na2CO3 +H2SiO3 →"])
-metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-7.tres b/labs/lab-electrolyte/test-7.tres
deleted file mode 100644
index 846ecc0..0000000
--- a/labs/lab-electrolyte/test-7.tres
+++ /dev/null
@@ -1,10 +0,0 @@
-[gd_resource type="Resource" script_class="LabTest" format=3 uid="uid://bpdrfoq88tteh"]
-
-[ext_resource type="Script" uid="uid://dpacehourck22" path="res://src/resources/lab/test.gd" id="1_vpmu4"]
-
-[resource]
-script = ExtResource("1_vpmu4")
-question = "Молекулярное уравнение соответствует ионному: HS– + ОН– = S2– + Н2О"
-options = Array[String](["3S + КОН = 2K2S +K2SO4 + 3H2О;", "H2S + 2NaOH = Na2S + Н2О;", "NaHS + NaOH = Na2S + H2О;", "NaOH + H2S = NaНS + Н2О"])
-correct_anwser = 2
-metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-8.tres b/labs/lab-electrolyte/test-8.tres
deleted file mode 100644
index df01f27..0000000
--- a/labs/lab-electrolyte/test-8.tres
+++ /dev/null
@@ -1,10 +0,0 @@
-[gd_resource type="Resource" script_class="LabTest" format=3 uid="uid://jdv2rvp868p4"]
-
-[ext_resource type="Script" uid="uid://dpacehourck22" path="res://src/resources/lab/test.gd" id="1_d8xn1"]
-
-[resource]
-script = ExtResource("1_d8xn1")
-question = "К сильным основаниям относится…"
-options = Array[String](["NH4OH;", "NaOH;", "Cu(OH)2;", "Fe(OH)2"])
-correct_anwser = 1
-metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/labs/lab-electrolyte/test-9.tres b/labs/lab-electrolyte/test-9.tres
deleted file mode 100644
index a4e8015..0000000
--- a/labs/lab-electrolyte/test-9.tres
+++ /dev/null
@@ -1,10 +0,0 @@
-[gd_resource type="Resource" script_class="LabTest" format=3 uid="uid://dh7itd4q5xh7p"]
-
-[ext_resource type="Script" uid="uid://dpacehourck22" path="res://src/resources/lab/test.gd" id="1_1iwn6"]
-
-[resource]
-script = ExtResource("1_1iwn6")
-question = "Укажите, какая из нижеприведенных реакций является необратимой:"
-options = Array[String](["NH4OH+HCl =NH4Cl+H2O;", "NaOH + HNO3 = NaNO3 +H2O;", "[CuOH]2SO4 + H2SO4 = 2 CuSO4 +2H2O;", "NH4OH + HNO3 = NH4NO3+H2O"])
-correct_anwser = 1
-metadata/_custom_type_script = "uid://dpacehourck22"
diff --git a/note b/note
deleted file mode 100644
index cc1efd1..0000000
--- a/note
+++ /dev/null
@@ -1,4 +0,0 @@
-Каждый опыт должен быть изолирован, иметь свой логгер, свою рабочую зону
-Добавить зону для текста с (возможно) зоной/кнопками для формул
-Тесты должны быть вначале и пропускать студента
-
diff --git a/project.godot b/project.godot
index a030462..e7c25d1 100644
--- a/project.godot
+++ b/project.godot
@@ -24,7 +24,6 @@ config/icon="res://icon.svg"
 GuiSignalBus="*res://src/gui_signal_bus.gd"
 ReactionRegistry="*res://src/reaction_registry.gd"
 LabRuntime="*uid://b00hrs2a68cpp"
-Tooltip="*uid://dtpy85f2ycbur"
 
 [global_group]
 
diff --git a/scenes/flask.tscn b/scenes/flask.tscn
index 441b56e..a5d0a5d 100644
--- a/scenes/flask.tscn
+++ b/scenes/flask.tscn
@@ -3,7 +3,6 @@
 [ext_resource type="Script" uid="uid://bjnv2g1ni0525" path="res://src/drag/draggable_object.gd" id="1_0xufn"]
 [ext_resource type="Material" uid="uid://64m17act0kwu" path="res://assets/materials/mat_glass.tres" id="2_dbm1u"]
 [ext_resource type="Script" uid="uid://dig825r70a0sn" path="res://src/substance_display.gd" id="3_0xufn"]
-[ext_resource type="Shader" uid="uid://djb4t6pw03tow" path="res://shaders/fluid.gdshader" id="4_ailwx"]
 [ext_resource type="Script" uid="uid://bl0ojhc0thk1p" path="res://src/interactible/interactible.gd" id="4_dbm1u"]
 [ext_resource type="Texture2D" uid="uid://cw3jw8qbvj3fv" path="res://assets/textures/solid.png" id="4_h7awq"]
 [ext_resource type="Script" uid="uid://duirfi4j26g2i" path="res://src/interactible/flask_interaction.gd" id="5_pmegg"]
@@ -47,13 +46,9 @@ _surfaces = [{
 blend_shape_mode = 0
 shadow_mesh = SubResource("ArrayMesh_1ouf4")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_ailwx"]
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ailwx"]
 resource_local_to_scene = true
-render_priority = 0
-shader = ExtResource("4_ailwx")
-shader_parameter/albedo_color = Color(0, 0, 0, 1)
-shader_parameter/fill = 0.8999999798832
-shader_parameter/wave_intensity = 0.0
+transparency = 1
 
 [sub_resource type="CylinderMesh" id="CylinderMesh_h7awq"]
 top_radius = 0.772
@@ -90,7 +85,8 @@ skeleton = NodePath("")
 
 [node name="FillLiquid" type="MeshInstance3D" parent="Flash" unique_id=439339804]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3.8061247, 0)
-material_override = SubResource("ShaderMaterial_ailwx")
+visible = false
+material_override = SubResource("StandardMaterial3D_ailwx")
 mesh = SubResource("CylinderMesh_h7awq")
 skeleton = NodePath("")
 script = ExtResource("3_0xufn")
diff --git a/scenes/questions.tscn b/scenes/questions.tscn
index ac2a480..1898fb1 100644
--- a/scenes/questions.tscn
+++ b/scenes/questions.tscn
@@ -1,7 +1,6 @@
 [gd_scene format=3 uid="uid://be746nxgkc5ay"]
 
 [ext_resource type="Script" uid="uid://bosx1bhaka185" path="res://src/ui/questions_generator.gd" id="1_rdw2t"]
-[ext_resource type="Script" uid="uid://ckhrj43lyvorv" path="res://ui/questions_result.gd" id="2_8omho"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_faf07"]
 content_margin_left = 0.0
@@ -40,44 +39,4 @@ offset_right = 40.0
 offset_bottom = 40.0
 script = ExtResource("1_rdw2t")
 
-[node name="Result" type="Control" parent="." unique_id=717890506]
-visible = false
-layout_mode = 1
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-mouse_filter = 2
-script = ExtResource("2_8omho")
-
-[node name="Label" type="Label" parent="Result" unique_id=979512538]
-layout_mode = 1
-anchors_preset = 8
-anchor_left = 0.5
-anchor_top = 0.5
-anchor_right = 0.5
-anchor_bottom = 0.5
-offset_left = -20.0
-offset_top = -11.5
-offset_right = 20.0
-offset_bottom = 11.5
-grow_horizontal = 2
-grow_vertical = 2
-
-[node name="TryAgain" type="Button" parent="Result" unique_id=472218266]
-layout_mode = 1
-anchors_preset = 7
-anchor_left = 0.5
-anchor_top = 1.0
-anchor_right = 0.5
-anchor_bottom = 1.0
-offset_left = -73.0
-offset_top = -31.0
-offset_right = 73.0
-grow_horizontal = 2
-grow_vertical = 0
-text = "Перепройти тест"
-
 [connection signal="pressed" from="CloseButton" to="Questions" method="_on_close_button_pressed"]
-[connection signal="pressed" from="Result/TryAgain" to="Result" method="_on_try_again_pressed"]
diff --git a/scenes/spoon.tscn b/scenes/spoon.tscn
index 4364eaf..e388eef 100644
--- a/scenes/spoon.tscn
+++ b/scenes/spoon.tscn
@@ -1,4 +1,4 @@
-[gd_scene format=3 uid="uid://emm545mj0kba"]
+[gd_scene load_steps=10 format=3 uid="uid://emm545mj0kba"]
 
 [ext_resource type="ArrayMesh" uid="uid://cdvben7q8oxgf" path="res://assets/meshes/spoon.res" id="1_l12hh"]
 [ext_resource type="Script" uid="uid://bjnv2g1ni0525" path="res://src/drag/draggable_object.gd" id="1_r8mox"]
@@ -14,17 +14,17 @@ albedo_texture = ExtResource("3_ckduo")
 [sub_resource type="BoxShape3D" id="BoxShape3D_r8mox"]
 size = Vector3(0.26538086, 0.1484375, 1.6950684)
 
-[node name="Spoon" type="Area3D" unique_id=926622416 node_paths=PackedStringArray("interactible")]
+[node name="Spoon" type="Area3D" node_paths=PackedStringArray("interactible")]
 collision_layer = 6
 script = ExtResource("1_r8mox")
 interactible = NodePath("Interactible")
 mask = PackedStringArray("flask", "solid_source")
 
-[node name="MeshInstance3D" type="MeshInstance3D" parent="." unique_id=608330635]
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
 transform = Transform3D(0.1, 0, 0, 0, 0.1, 0, 0, 0, 0.1, 0, 0.07224345, 0)
 mesh = ExtResource("1_l12hh")
 
-[node name="SpoonFill" type="MeshInstance3D" parent="." unique_id=209337706]
+[node name="SpoonFill" type="MeshInstance3D" parent="."]
 transform = Transform3D(0.1, 0, 0, 0, 0.1, 0, 0, 0, 0.1, 0, 0.07224345, -0.66295564)
 visible = false
 material_override = SubResource("StandardMaterial3D_1r65c")
@@ -32,11 +32,11 @@ mesh = ExtResource("4_5mau7")
 script = ExtResource("5_33jiv")
 display_type = 1
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="." unique_id=537844857]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.07224345, 0)
 shape = SubResource("BoxShape3D_r8mox")
 
-[node name="Interactible" type="ConfirmationDialog" parent="." unique_id=706618502]
+[node name="Interactible" type="ConfirmationDialog" parent="."]
 title = ""
 ok_button_text = "Подтвердить"
 cancel_button_text = "Отменить"
@@ -44,7 +44,7 @@ script = ExtResource("3_r8ydw")
 instant = true
 metadata/_custom_type_script = "uid://bl0ojhc0thk1p"
 
-[node name="Interaction" type="Node" parent="Interactible" unique_id=463123349]
+[node name="Interaction" type="Node" parent="Interactible"]
 script = ExtResource("4_fyayl")
 
 [connection signal="interacted" from="Interactible" to="Interactible/Interaction" method="_on_interactible_interacted"]
diff --git a/scenes/substance_jar.tscn b/scenes/substance_jar.tscn
index 50f8f9a..5cc4214 100644
--- a/scenes/substance_jar.tscn
+++ b/scenes/substance_jar.tscn
@@ -1,4 +1,4 @@
-[gd_scene format=3 uid="uid://cw6v8kbi76qak"]
+[gd_scene load_steps=9 format=3 uid="uid://cw6v8kbi76qak"]
 
 [ext_resource type="Script" uid="uid://bjnv2g1ni0525" path="res://src/drag/draggable_object.gd" id="1_o7vug"]
 [ext_resource type="ArrayMesh" uid="uid://dddqboph2ygmw" path="res://assets/meshes/jar.res" id="2_o7vug"]
@@ -15,49 +15,49 @@ transparency = 1
 height = 0.5024414
 radius = 0.22460938
 
-[node name="SubstanceJar" type="Area3D" unique_id=904812958 node_paths=PackedStringArray("interactible")]
+[node name="SubstanceJar" type="Area3D" node_paths=PackedStringArray("interactible")]
 collision_layer = 5
 script = ExtResource("1_o7vug")
 interactible = NodePath("Interaction")
 mask = PackedStringArray("flask")
 
-[node name="Jar" type="MeshInstance3D" parent="." unique_id=985146813]
+[node name="Jar" type="MeshInstance3D" parent="."]
 transform = Transform3D(0.2, 0, 0, 0, 0.2, 0, 0, 0, 0.2, 0, 0, 0)
 mesh = ExtResource("2_o7vug")
 
-[node name="JarFill" type="MeshInstance3D" parent="." unique_id=1364277535]
+[node name="JarFill" type="MeshInstance3D" parent="."]
 transform = Transform3D(0.2, 0, 0, 0, 0.2, 0, 0, 0, 0.2, 0, 0, 0)
 material_override = SubResource("StandardMaterial3D_pcpcb")
 mesh = ExtResource("6_kfk5m")
 
-[node name="DragArea" type="CollisionShape3D" parent="." unique_id=960002167]
+[node name="DragArea" type="CollisionShape3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.25, 0)
 shape = SubResource("CylinderShape3D_kfk5m")
 
-[node name="SubstanceData" type="Node" parent="." unique_id=1379108671]
+[node name="SubstanceData" type="Node" parent="."]
 script = ExtResource("7_ymvgp")
 
-[node name="Interaction" type="ConfirmationDialog" parent="." unique_id=1225848265]
+[node name="Interaction" type="ConfirmationDialog" parent="."]
 title = "Добавить вещество?"
 ok_button_text = "Добавить"
 cancel_button_text = "Не добавлять"
 script = ExtResource("5_o7vug")
 
-[node name="HBoxContainer" type="HBoxContainer" parent="Interaction" unique_id=1504866588]
+[node name="HBoxContainer" type="HBoxContainer" parent="Interaction"]
 offset_right = 40.0
 offset_bottom = 40.0
 
-[node name="ProgressBar" type="HSlider" parent="Interaction/HBoxContainer" unique_id=1037338095]
+[node name="ProgressBar" type="HSlider" parent="Interaction/HBoxContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
 allow_greater = true
 
-[node name="SpinBox" type="SpinBox" parent="Interaction/HBoxContainer" unique_id=194740698]
+[node name="SpinBox" type="SpinBox" parent="Interaction/HBoxContainer"]
 layout_mode = 2
 allow_greater = true
 suffix = "мг."
 
-[node name="Interaction" type="Node" parent="Interaction" unique_id=729724369]
+[node name="Interaction" type="Node" parent="Interaction"]
 script = ExtResource("6_00jpx")
 
 [connection signal="interacted" from="Interaction" to="Interaction/Interaction" method="_on_interaction_interacted"]
diff --git a/scenes/worktabs.tscn b/scenes/worktabs.tscn
index 2519d1f..883da42 100644
--- a/scenes/worktabs.tscn
+++ b/scenes/worktabs.tscn
@@ -30,3 +30,16 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_xfim1")
+
+[node name="CloseButton" type="Button" parent="." unique_id=1683733206]
+layout_mode = 1
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -31.0
+offset_bottom = 31.0
+grow_horizontal = 0
+theme_override_font_sizes/font_size = 16
+text = "X"
+
+[connection signal="pressed" from="CloseButton" to="TabContainer" method="_on_close_button_pressed"]
diff --git a/shaders/fluid.gdshader b/shaders/fluid.gdshader
deleted file mode 100644
index 4bca778..0000000
--- a/shaders/fluid.gdshader
+++ /dev/null
@@ -1,28 +0,0 @@
-shader_type spatial;
-
-render_mode cull_back, blend_mix;
-
-uniform vec4 albedo_color: source_color;
-uniform float fill: hint_range(0.0, 1.0, 0.01) = 0.;
-uniform float wave_intensity: hint_range(0.0, 1.0, 0.01) = 0.;
-
-const float MAX_AMPLITUDE = 0.1;
-const float MAX_SPEED = 2.;
-
-void vertex() {
-	if (VERTEX.y > 0.) {
-		VERTEX.y *= (fill - 0.5) * 2.;
-		VERTEX.y += sin((TIME+VERTEX.x+VERTEX.z)*wave_intensity*MAX_SPEED) * MAX_AMPLITUDE * wave_intensity;
-	}
-}
-
-void fragment() {
-	// Called for every pixel the material is visible on.
-	ALBEDO = albedo_color.rgb;
-	ALPHA = albedo_color.a;
-}
-
-//void light() {
-//	// Called for every pixel for every light affecting the material.
-//	// Uncomment to replace the default light processing function with this one.
-//}
diff --git a/shaders/fluid.gdshader.uid b/shaders/fluid.gdshader.uid
deleted file mode 100644
index 7aca443..0000000
--- a/shaders/fluid.gdshader.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://djb4t6pw03tow
diff --git a/src/drag/draggable_object.gd b/src/drag/draggable_object.gd
index ebfc92f..dc70afe 100644
--- a/src/drag/draggable_object.gd
+++ b/src/drag/draggable_object.gd
@@ -26,8 +26,6 @@ var dragged: bool = false:
 @export var interactible: Interactible
 @export var button_generator: ButtonGenerator
 
-@export var display_text: String
-
 @export var mask: PackedStringArray
 var contacted_draggables: Array[DraggableObject]
 var filtered_draggables: Array[DraggableObject]
@@ -39,18 +37,9 @@ func _ready() -> void:
 
 func _mouse_enter() -> void:
 	mouse_in = true
-	var text: String
-	if has_node("Inventory") and len($Inventory.inventory) != 0:
-		text = $Inventory.get_text()
-	else:
-		text = display_text
-	if text == "":
-		return
-	Tooltip.set_text(text)
 
 func _mouse_exit() -> void:
 	mouse_in = false
-	Tooltip.clear()
 
 func set_mask(new_mask: PackedStringArray) -> void:
 	mask.clear()
diff --git a/src/interactible/spoon_interaction.gd b/src/interactible/spoon_interaction.gd
index 9b251d1..6b08e3a 100644
--- a/src/interactible/spoon_interaction.gd
+++ b/src/interactible/spoon_interaction.gd
@@ -29,9 +29,3 @@ func _on_interactible_interacted(with: DraggableObject) -> void:
 			log_message += "%s мг. %s, " % [str(sub.amount),sub.substance.get_formula()]
 		GuiSignalBus.push(log_message)
 	inventory_updated.emit(mini_inventory)
-
-func _process(_delta: float) -> void:
-	var result = ""
-	for key in mini_inventory:
-		result += key.substance.scientific_name + "+"
-	$"../..".display_text = result.left(len(result)-1)
diff --git a/src/interactible/substance_jar_interaction.gd b/src/interactible/substance_jar_interaction.gd
index 24aea76..80761e1 100644
--- a/src/interactible/substance_jar_interaction.gd
+++ b/src/interactible/substance_jar_interaction.gd
@@ -3,7 +3,7 @@ extends Node
 var add_amount: float
 
 func _on_interaction_interacted(with: DraggableObject) -> void:
-	if with.is_in_group("flask") and add_amount > 0:
+	if with.is_in_group("flask"):
 		var subs: RuntimeSubstanceData = RuntimeSubstanceData.new()
 		subs.amount = add_amount
 		subs.substance = $"../../SubstanceData".substance
diff --git a/src/inventory.gd b/src/inventory.gd
index 70c109b..2274311 100644
--- a/src/inventory.gd
+++ b/src/inventory.gd
@@ -3,7 +3,6 @@ extends Node
 class_name Inventory
 
 @export var open_on_top: bool
-@export var capacity: float = 10.
 var inventory: Dictionary[StringName,RuntimeSubstanceData]
 
 var mean_temperature: float:
@@ -25,9 +24,6 @@ var total_amount: float:
 signal inventory_changed(substances: Array[RuntimeSubstanceData])
 signal temperature_changed(to: float)
 
-func _ready() -> void:
-	inventory_changed.emit(inventory.values())
-
 func update_solutions():
 	var has_water = inventory.has("Вода")
 	if has_water:
@@ -181,23 +177,4 @@ func check_for_reactions() -> void:
 	recalculate_temperature()
 	update_solutions()
 	inventory_changed.emit(inventory.values())
-	GuiSignalBus.push("Произошла реакция")
-	if len(find_odor()) > 0:
-		GuiSignalBus.push("Появился запах")
-
-#func find_gases() -> Array[RuntimeSubstanceData]:
-#	for key in inventory:
-#		if inventory[key].substance in [preload("H")]
-
-func find_odor() -> Array[RuntimeSubstanceData]:
-	var result = []
-	for key in inventory:
-		if inventory[key].substance in [preload("res://assets/substances/CH3COOH.tres")]:
-			result.push_back(inventory[key])
-	return result
-
-func get_text() -> String:
-	var result = ""
-	for key in inventory:
-		result += key + "+"
-	return result.left(len(result)-1)
+	GuiSignalBus.push("Произошла реакция: " + found_reaction.formula())
diff --git a/src/lab_runtime.gd b/src/lab_runtime.gd
index 74c71bb..ceaa539 100644
--- a/src/lab_runtime.gd
+++ b/src/lab_runtime.gd
@@ -6,13 +6,6 @@ const MENU_PREFAB: PackedScene = preload("uid://c2ciwyjf7au6l")
 var current_lab: Labwork
 var anwsers: Array[int]
 var correctness: Array[bool]
-var tries: int
-
-func questions_anwsered() -> bool:
-	return float(correctness.count(true))/len(correctness) >= 0.6
-
-func test_failed() -> bool:
-	return float(correctness.count(true))/len(correctness) < 0.6
 
 func save():
 	var path: String = OS.get_system_dir(OS.SYSTEM_DIR_DESKTOP) + "/" + current_lab.lab_name + "-" + Time.get_datetime_string_from_system() + ".txt"
@@ -33,8 +26,6 @@ func save():
 		else:
 			file.store_string(("+" if correctness[i] else "-").lpad(10))
 	file.store_line("")
-	file.store_line("Попыток: " + str(tries))
-	file.store_line("")
 	file.store_line("Ход работы:")
 	file.store_string(LabLogger.instance.text)
 
diff --git a/src/substance_display.gd b/src/substance_display.gd
index 5ef296f..81dc92c 100644
--- a/src/substance_display.gd
+++ b/src/substance_display.gd
@@ -1,4 +1,3 @@
-@tool
 extends MeshInstance3D
 
 enum DisplayType{
@@ -7,53 +6,8 @@ enum DisplayType{
 }
 
 @export var display_type: DisplayType
-@export_tool_button("Wiggle") var wiggle = func() -> void:
-	var tween = create_tween()
-	material_override.set_shader_parameter("wave_intensity",1.)
-	tween.tween_property(material_override,"shader_parameter/wave_intensity",0.0,2.0)
 
-func update_fluid_material(substances: Array[RuntimeSubstanceData]) -> void:
-	var mat: ShaderMaterial = material_override
-	if len(substances) == 0:
-		visible = false
-		return
-	else:
-		visible = true
-		
-	var total_weight = 0
-	var total_color = 0
-
-	for sub in substances:
-		total_weight += sub.amount
-		total_color += sub.substance.color_influence
-	
-	var pH: float = 0
-	var color: Color = Color(0,0,0,0)
-
-	for sub: RuntimeSubstanceData in substances:
-		var weight: float = sub.amount/total_weight
-		pH += sub.substance.get_ph_runtime(substances) * weight
-	
-	for sub: RuntimeSubstanceData in substances:
-		var color_to_add: Color
-		if sub.substance.pHColor != null:
-			color_to_add =  sub.substance.pHColor.sample(pH/14.0)
-		else:
-			color_to_add = sub.substance.color
-			
-		if display_type == DisplayType.Fluid and sub.is_solution:
-			color_to_add.a = 0.5
-		
-		#if color == Color(0,0,0,0):
-		#	color = color_to_add
-		#else:
-		#	color = color.lerp(color_to_add,sub.substance.color_influence)
-		color += color_to_add * sub.substance.color_influence
-	
-	
-	mat.set_shader_parameter("albedo_color", color / total_color)
-
-func update_solid_material(substances: Array[RuntimeSubstanceData]) -> void:
+func update_material(substances: Array[RuntimeSubstanceData]) -> void:
 	var mat: StandardMaterial3D = material_override
 	if len(substances) == 0:
 		visible = false
@@ -98,10 +52,10 @@ func update_material_unfiltered(substances: Array[RuntimeSubstanceData]):
 	match display_type:
 		DisplayType.Fluid:
 			var fluids = substances.filter(filter_liquids)
-			update_fluid_material(fluids)
+			update_material(fluids)
 		DisplayType.Solid:
 			var solids = substances.filter(filter_solids)
-			update_solid_material(solids)
+			update_material(solids)
 
 func filter_liquids(sub: RuntimeSubstanceData): return sub.substance.melting_point < sub.temperature or sub.is_solution
 func filter_solids(sub: RuntimeSubstanceData): return sub.substance.melting_point > sub.temperature and not sub.is_solution
diff --git a/src/substance_holder.gd b/src/substance_holder.gd
index cbf539b..131ebf9 100644
--- a/src/substance_holder.gd
+++ b/src/substance_holder.gd
@@ -15,4 +15,3 @@ func _ready() -> void:
 			if substance.is_solution:
 				jar_fill_material.albedo_color.a = 0.5
 			get_parent().add_to_group("fluid_source")
-		get_parent().display_text = substance.scientific_name
diff --git a/src/ui/lab_tabs.gd b/src/ui/lab_tabs.gd
index d21ab8c..da3154b 100644
--- a/src/ui/lab_tabs.gd
+++ b/src/ui/lab_tabs.gd
@@ -5,23 +5,12 @@ func _ready() -> void:
 	$ConfirmationDialog.confirmed.connect(LabRuntime.end_lab)
 
 func _on_tab_clicked(tab: int) -> void:
-	if tab == 1:
-		$Questions.visible = true
-	elif LabRuntime.questions_anwsered():
-		match tab:
-			0:
-				$Worktabs.visible = true
-			2:
-				$ConfirmationDialog.popup_centered()
-			3:
-				GuiSignalBus.clear_table.emit()
-
-func _process(_delta: float) -> void:
-	var anwsered = LabRuntime.test_failed()
-	set_tab_disabled(0,anwsered)
-	set_tab_disabled(2,anwsered)
-	set_tab_disabled(3,anwsered)
-
-
-func _on_worktabs_close_requested() -> void:
-	$Worktabs.visible = false
+	match tab:
+		0:
+			$Worktabs.visible = true
+		1:
+			$Questions.visible = true
+		2:
+			$ConfirmationDialog.popup_centered()
+		3:
+			GuiSignalBus.clear_table.emit()
diff --git a/src/ui/questions_generator.gd b/src/ui/questions_generator.gd
index 5f20472..65049a8 100644
--- a/src/ui/questions_generator.gd
+++ b/src/ui/questions_generator.gd
@@ -3,13 +3,7 @@ extends Control
 var current: int = -1
 
 func _ready() -> void:
-	shuffle_questions()
-
-func shuffle_questions() -> void:
-	var questions = LabRuntime.current_lab.tests.duplicate()
-	questions.shuffle()
-	questions.resize(5)
-	for question in questions:
+	for question in LabRuntime.current_lab.tests:
 		var options = question.options.duplicate()
 		options.shuffle()
 		var vbox = VBoxContainer.new()
@@ -26,6 +20,7 @@ func shuffle_questions() -> void:
 		add_child(vbox)
 	next()
 
+
 func _on_close_button_pressed() -> void:
 	get_parent().visible = false
 
@@ -35,10 +30,9 @@ func next() -> void:
 		current += 1
 		get_child(current).visible = true
 	else:
-		visible = false
-		$"../Result".visible = true
-		LabRuntime.tries += 1
+		get_parent().visible = false
 
 func anwser(option_number: int,correctness: bool):
 	LabRuntime.anwsers.append(option_number)
-	LabRuntime.correctness.append(correctness)	
+	LabRuntime.correctness.append(correctness)
+	
diff --git a/ui/questions_result.gd b/ui/questions_result.gd
deleted file mode 100644
index 68e27a0..0000000
--- a/ui/questions_result.gd
+++ /dev/null
@@ -1,14 +0,0 @@
-extends Control
-
-
-func _process(delta: float) -> void:
-	$Label.text = str(LabRuntime.correctness.count(true))+"/5 Верно\n"+str(LabRuntime.tries)+" попыток"
-	$TryAgain.visible = LabRuntime.test_failed()
-
-
-func _on_try_again_pressed() -> void:
-	$"../Questions".shuffle_questions()
-	$"../Questions".visible = true
-	visible = false
-	LabRuntime.anwsers.clear()
-	LabRuntime.correctness.clear()
diff --git a/ui/questions_result.gd.uid b/ui/questions_result.gd.uid
deleted file mode 100644
index 55026d6..0000000
--- a/ui/questions_result.gd.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://ckhrj43lyvorv
diff --git a/ui/tab_bar.tscn b/ui/tab_bar.tscn
index 1eec75c..2d3f7a1 100644
--- a/ui/tab_bar.tscn
+++ b/ui/tab_bar.tscn
@@ -16,6 +16,11 @@ tab_2/title = "Отчёт"
 tab_3/title = "Очистить"
 script = ExtResource("1_ieq68")
 
+[node name="Worktabs" parent="." unique_id=666307058 instance=ExtResource("2_hyo0h")]
+visible = false
+top_level = true
+layout_mode = 1
+
 [node name="Questions" parent="." unique_id=2060279649 instance=ExtResource("3_lhsfi")]
 visible = false
 top_level = true
@@ -28,14 +33,4 @@ ok_button_text = "Составить отчёт"
 dialog_text = "Вы уверены, что хотите закончить лабораторную работу и составить отчёт? Отчёт будет отправлен на ваш рабочий стол"
 cancel_button_text = "Отменить"
 
-[node name="Worktabs" type="Window" parent="." unique_id=1368905224]
-oversampling_override = 1.0
-position = Vector2i(0, 36)
-size = Vector2i(768, 512)
-visible = false
-
-[node name="Worktabs" parent="Worktabs" unique_id=666307058 instance=ExtResource("2_hyo0h")]
-top_level = true
-
 [connection signal="tab_clicked" from="." to="." method="_on_tab_clicked"]
-[connection signal="close_requested" from="Worktabs" to="." method="_on_worktabs_close_requested"]
diff --git a/ui/tooltip.gd b/ui/tooltip.gd
deleted file mode 100644
index 149af6e..0000000
--- a/ui/tooltip.gd
+++ /dev/null
@@ -1,12 +0,0 @@
-extends Control
-
-func _process(delta: float) -> void:
-	global_position = get_global_mouse_position()
-
-func set_text(text: String):
-	$Label.text = text
-	visible = true
-
-func clear():
-	$Label.text = ""
-	visible = false
diff --git a/ui/tooltip.gd.uid b/ui/tooltip.gd.uid
deleted file mode 100644
index d3dd636..0000000
--- a/ui/tooltip.gd.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://bu3exvpul8jhk
diff --git a/ui/tooltip.tscn b/ui/tooltip.tscn
deleted file mode 100644
index eac1947..0000000
--- a/ui/tooltip.tscn
+++ /dev/null
@@ -1,15 +0,0 @@
-[gd_scene format=3 uid="uid://dtpy85f2ycbur"]
-
-[ext_resource type="Script" uid="uid://bu3exvpul8jhk" path="res://ui/tooltip.gd" id="1_np3dp"]
-
-[node name="Tooltip" type="PanelContainer" unique_id=246590363]
-visible = false
-offset_right = 1.0
-offset_bottom = 23.0
-size_flags_horizontal = 0
-size_flags_vertical = 0
-script = ExtResource("1_np3dp")
-
-[node name="Label" type="Label" parent="." unique_id=1174493236]
-layout_mode = 2
-size_flags_horizontal = 0