diff --git a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/AbstractCompany.cs b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/AbstractCompany.cs
index c0b5631..62d766b 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/AbstractCompany.cs
+++ b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/AbstractCompany.cs
@@ -1,9 +1,4 @@
 using ProjectCleaningCar.Drawnings;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ProjectCleaningCar.CollectionGenericObjects;
 /// <summary>
@@ -54,9 +49,9 @@ public abstract class AbstractCompany
     /// <param name="company">Компания</param>
     /// <param name="truck">Добавляемый объект</param>
     /// <returns></returns>
-    public static bool operator +(AbstractCompany company, DrawningTruck truck)
+    public static int operator +(AbstractCompany company, DrawningTruck truck)
     {
-        return company._collection?.Insert(truck) ?? false;
+        return company._collection?.Insert(truck) ?? -1;
     }
     /// <summary>
     /// Перегрузка оператора удаления для класса
@@ -64,9 +59,9 @@ public abstract class AbstractCompany
     /// <param name="company">Компания</param>
     /// <param name="position">Номер удаляемого объекта</param>
     /// <returns></returns>
-    public static bool operator -(AbstractCompany company, int position)
+    public static DrawningTruck operator -(AbstractCompany company, int position)
     {
-        return company._collection?.Remove(position) ?? false;
+        return company._collection?.Remove(position) ?? null;
     }
     /// <summary>
     /// Получение случайного объекта из коллекции
diff --git a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/ICollectionGenericObjects.cs b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/ICollectionGenericObjects.cs
index 51961b0..da9ba28 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/ICollectionGenericObjects.cs
+++ b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/ICollectionGenericObjects.cs
@@ -25,20 +25,20 @@ public interface ICollectionGenericObjects<T>
     /// </summary>
     /// <param name="obj">Добавляемый объект</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    bool Insert(T obj);
+    int Insert(T obj);
     /// <summary>
     /// Добавление объекта в коллекцию на конкретную позицию
     /// </summary>
     /// <param name="obj">Добавляемый объект</param>
     /// <param name="position">Позиция</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    bool Insert(T obj, int position);
+    int Insert(T obj, int position);
     /// <summary>
     /// Удаление объекта из коллекции с конкретной позиции
     /// </summary>
     /// <param name="position">Позиция</param>
     /// <returns>true - удаление прошло удачно, false - удаление не удалось</returns>
-    bool Remove(int position);
+    T Remove(int position);
     /// <summary>
     /// Получение объекта по позиции
     /// </summary>
diff --git a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/MassiveGenericObjects.cs b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/MassiveGenericObjects.cs
index f2bcd08..7a1f83d 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/MassiveGenericObjects.cs
+++ b/ProjectCleaningCar/ProjectCleaningCar/CollectionGenericObjects/MassiveGenericObjects.cs
@@ -41,56 +41,70 @@ internal class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
     {
         _collection = Array.Empty<T?>();
     }
+
     public T? Get(int position)
     {
-        if (position < 0 || position >= _collection.Length)
+        if (position >= 0 && position < Count)
         {
-            throw new IndexOutOfRangeException("Position is out of range.");
+            return _collection[position];
         }
-        return _collection[position];
+
+        return null;
     }
-    public bool Insert(T obj)
+
+    public int Insert(T obj)
     {
-        for (int i = 0; i < _collection.Length; i++)
+        for (int i = 0; i < Count; i++)
         {
             if (_collection[i] == null)
             {
                 _collection[i] = obj;
-                return true;
+                return i;
             }
         }
-
-        return false;
+        return -1;
     }
-    public bool Insert(T obj, int position)
-    {
-        if (position < 0 || position >= _collection.Length)
-        {
-            throw new IndexOutOfRangeException("Position is out of range.");
-        }
 
+    public int Insert(T obj, int position)
+    {
+        if (position < 0 || position >= Count)
+        {
+            return -1;
+        }
         if (_collection[position] == null)
         {
             _collection[position] = obj;
-            return true;
+            return position;
         }
 
-        return false;
+        for (int i = position + 1; i < Count; i++)
+        {
+            if (_collection[i] == null)
+            {
+                _collection[i] = obj;
+                return i;
+            }
+        }
+        for (int i = position - 1; i >= 0; i--)
+        {
+            if (_collection[i] == null)
+            {
+                _collection[i] = obj;
+                return i;
+            }
+        }
+
+        return -1;
     }
-    public bool Remove(int position)
+    public T Remove(int position)
     {
-        if (position < 0 || position >= _collection.Length)
+        if (position < 0 || position >= Count)
         {
-            throw new IndexOutOfRangeException("Position is out of range.");
+            return null;
         }
-
-        if (_collection[position] != null)
-        {
-            _collection[position] = null;
-            return true;
-        }
-
-        return true;
+        T obj = _collection[position];
+        _collection[position] = null;
+        return obj;
     }
 
 }
diff --git a/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.Designer.cs b/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.Designer.cs
index b950ffa..32c34f3 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.Designer.cs
+++ b/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.Designer.cs
@@ -68,7 +68,7 @@ namespace ProjectCleaningCar
             buttonRefresh.TabIndex = 6;
             buttonRefresh.Text = "Обновить";
             buttonRefresh.UseVisualStyleBackColor = true;
-            buttonRefresh.Click += buttonRefresh_Click;
+            buttonRefresh.Click += ButtonRefresh_Click;
             // 
             // buttonGoToCheck
             // 
@@ -79,7 +79,7 @@ namespace ProjectCleaningCar
             buttonGoToCheck.TabIndex = 5;
             buttonGoToCheck.Text = "Передать на тесты";
             buttonGoToCheck.UseVisualStyleBackColor = true;
-            buttonGoToCheck.Click += buttonGoToCheck_Click;
+            buttonGoToCheck.Click += ButtonGoToCheck_Click;
             // 
             // buttonRemoveTruck
             // 
@@ -90,7 +90,7 @@ namespace ProjectCleaningCar
             buttonRemoveTruck.TabIndex = 4;
             buttonRemoveTruck.Text = "Удаление грузовика";
             buttonRemoveTruck.UseVisualStyleBackColor = true;
-            buttonRemoveTruck.Click += buttonRemoveTruck_Click;
+            buttonRemoveTruck.Click += ButtonRemoveTruck_Click;
             // 
             // maskedTextBoxPosition
             // 
@@ -100,7 +100,7 @@ namespace ProjectCleaningCar
             maskedTextBoxPosition.Size = new Size(226, 27);
             maskedTextBoxPosition.TabIndex = 3;
             maskedTextBoxPosition.ValidatingType = typeof(int);
-            maskedTextBoxPosition.MaskInputRejected += maskedTextBoxPosition_MaskInputRejected;
+            maskedTextBoxPosition.MaskInputRejected += MaskedTextBoxPosition_MaskInputRejected;
             // 
             // buttonAddCleaningCar
             // 
diff --git a/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.cs b/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.cs
index 1d9140e..6b8778d 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.cs
+++ b/ProjectCleaningCar/ProjectCleaningCar/FormTruckCollection.cs
@@ -67,55 +67,23 @@ public partial class FormTruckCollection : Form
             return;
         }
         Random random = new();
-        DrawningTruck drawningTruck;
+        DrawningTruck _drawningTruck;
         switch (type)
         {
             case nameof(DrawningTruck):
-                drawningTruck = new DrawningTruck(random.Next(100, 300),
+                _drawningTruck = new DrawningTruck(random.Next(100, 300),
                 random.Next(1000, 3000), GetColor(random));
                 break;
             case nameof(DrawningCleaningCar):
-                // Вызываем диалоговое окно для выбора основного цвета машины
-                Color bodyColor;
-                using (ColorDialog dialogBody = new ColorDialog())
-                {
-                    if (dialogBody.ShowDialog() == DialogResult.OK)
-                    {
-                        bodyColor = dialogBody.Color;
-                    }
-                    else
-                    {
-                        // Если диалог был закрыт без выбора цвета, выходим из метода
-                        return;
-                    }
-                }
-                // Вызываем диалоговое окно для выбора дополнительного цвета машины
-                Color additionalColor;
-                using (ColorDialog dialogAdditional = new ColorDialog())
-                {
-                    if (dialogAdditional.ShowDialog() == DialogResult.OK)
-                    {
-                        additionalColor = dialogAdditional.Color;
-                    }
-                    else
-                    {
-                        // Если диалог был закрыт без выбора цвета, выходим из метода
-                        return;
-                    }
-                }
-                // Создаем объект класса DrawningCleaningCar с выбранными цветами
-                drawningTruck = new DrawningCleaningCar(
-                    random.Next(100, 300),
-                    random.Next(1000, 3000),
-                    bodyColor,
-                    additionalColor,
-                    Convert.ToBoolean(random.Next(0, 2)),
-                    Convert.ToBoolean(random.Next(0, 2)));
+                _drawningTruck = new DrawningCleaningCar(random.Next(1000, 3000), random.Next(100, 500),
+                   GetColor(random), GetColor(random),
+                   Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)));
                 break;
             default:
                 return;
         }
-        if (_company + drawningTruck)
+
+        if (_company + _drawningTruck != -1)
         {
             MessageBox.Show("Объект добавлен");
             pictureBox.Image = _company.Show();
@@ -146,7 +114,7 @@ public partial class FormTruckCollection : Form
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
-    private void buttonRemoveTruck_Click(object sender, EventArgs e)
+    private void ButtonRemoveTruck_Click(object sender, EventArgs e)
     {
         if (string.IsNullOrEmpty(maskedTextBoxPosition.Text) || _company ==
         null)
@@ -158,8 +126,9 @@ public partial class FormTruckCollection : Form
         {
             return;
         }
+
         int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-        if (_company - pos)
+        if (_company - pos != null)
         {
             MessageBox.Show("Объект удален");
             pictureBox.Image = _company.Show();
@@ -174,7 +143,7 @@ public partial class FormTruckCollection : Form
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
-    private void buttonGoToCheck_Click(object sender, EventArgs e)
+    private void ButtonGoToCheck_Click(object sender, EventArgs e)
     {
         if (_company == null)
         {
@@ -206,7 +175,7 @@ public partial class FormTruckCollection : Form
     /// </summary>
     /// <param name="sender"></param>
     /// <param name="e"></param>
-    private void buttonRefresh_Click(object sender, EventArgs e)
+    private void ButtonRefresh_Click(object sender, EventArgs e)
     {
         if (_company == null)
         {
@@ -215,7 +184,7 @@ public partial class FormTruckCollection : Form
         pictureBox.Image = _company.Show();
     }
 
-    private void maskedTextBoxPosition_MaskInputRejected(object sender, MaskInputRejectedEventArgs e)
+    private void MaskedTextBoxPosition_MaskInputRejected(object sender, MaskInputRejectedEventArgs e)
     {
 
     }
diff --git a/ProjectCleaningCar/ProjectCleaningCar/ProjectCleaningCar.csproj b/ProjectCleaningCar/ProjectCleaningCar/ProjectCleaningCar.csproj
index 244387d..8bf3ed6 100644
--- a/ProjectCleaningCar/ProjectCleaningCar/ProjectCleaningCar.csproj
+++ b/ProjectCleaningCar/ProjectCleaningCar/ProjectCleaningCar.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net7.0-windows</TargetFramework>
+    <TargetFramework>net7.0-windows7.0</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>