diff --git a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/AbstractCompany.cs b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/AbstractCompany.cs
index 563ac42..ec4a642 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/AbstractCompany.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/AbstractCompany.cs
@@ -53,9 +53,9 @@ public abstract class AbstractCompany
     /// <param name="company">Компания</param>
     /// <param name="car">Добавляемый объект</param>
     /// <returns></returns>
-    public static bool operator +(AbstractCompany company, DrawningTrack car)
+    public static int operator +(AbstractCompany company, DrawningTrack car)
     {
-        return company._collection?.Insert(car) ?? false;
+        return company._collection.Insert(car);
     }
 
     /// <summary>
@@ -64,9 +64,9 @@ 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 DrawningTrack operator -(AbstractCompany company, int position)
     {
-        return company._collection?.Remove(position) ?? false;
+        return company._collection.Remove(position);
     }
 
     /// <summary>
diff --git a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/ICollectionGenericObjects.cs b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/ICollectionGenericObjects.cs
index eda278c..9a30125 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/ICollectionGenericObjects.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/ICollectionGenericObjects.cs
@@ -24,7 +24,7 @@ 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
@@ -32,14 +32,14 @@ public interface ICollectionGenericObjects<T>
     /// <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
diff --git a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/MassiveGenericObjects.cs b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/MassiveGenericObjects.cs
index cfb1b26..495535c 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/MassiveGenericObjects.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObjects/MassiveGenericObjects.cs
@@ -44,7 +44,7 @@ internal class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public bool Insert(T obj)
+    public int Insert(T obj)
     {
         // TODO вставка в свободное место набора
         int index = 0;
@@ -53,25 +53,25 @@ internal class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             if (_collection[index] == null)
             {
                 _collection[index] = obj;
-                return true;
+                return index;
             }
             index++;
         }
-        return false;
+        return -1;
     }
 
-    public bool Insert(T obj, int position)
+    public int Insert(T obj, int position)
     {
         // TODO проверка позиции
         // TODO проверка, что элемент массива по этой позиции пустой, если нет, то
         //  ищется свободное место после этой позиции и идет вставка туда
         //  если нет после, ищем до
         // TODO вставка
-        if (position >= _collection.Length || position < 0) return false;
+        if (position >= _collection.Length || position < 0) return -1;
         if (_collection[position] == null)
         {
             _collection[position] = obj;
-            return true;
+            return position;
         }
         int index = position + 1;
         while (index < _collection.Length)
@@ -79,7 +79,7 @@ internal class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             if (_collection[index] == null)
             {
                 _collection[index] = obj;
-                return true;
+                return index;
             }
             index++;
         }
@@ -89,20 +89,21 @@ internal class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
             if (_collection[index] == null)
             {
                 _collection[index] = obj;
-                return true;
+                return index;
             }
             index--;
         }
-        return false;
+        return -1;
     }
 
-    public bool Remove(int position)
+    public T? Remove(int position)
     {
         // TODO проверка позиции
         // TODO удаление объекта из массива, присвоив элементу массива значение null
-        if (position >= _collection.Length || position < 0) return false;
+        if (position >= _collection.Length || position < 0) return null;
+        T removeObj = _collection[position];
         _collection[position] = null;
-        return true;
+        return removeObj;
     }
 }
 
diff --git a/ProjectDumpTruck/ProjectDumpTruck/Drawnings/DrawningDumpTrack.cs b/ProjectDumpTruck/ProjectDumpTruck/Drawnings/DrawningDumpTrack.cs
index b86d1ce..801139e 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/Drawnings/DrawningDumpTrack.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/Drawnings/DrawningDumpTrack.cs
@@ -53,9 +53,6 @@ public class DrawningDumpTrack : DrawningTrack
             g.FillRectangle(additionalBrush, _startPosX.Value + 30, _startPosY.Value, 3, 40);
             g.FillRectangle(additionalBrush, _startPosX.Value + 70, _startPosY.Value, 3, 40);
         }
-
-        
-        base.DrawTransport(g);
         
     }
 
diff --git a/ProjectDumpTruck/ProjectDumpTruck/Entities/EntityDumpTrack.cs b/ProjectDumpTruck/ProjectDumpTruck/Entities/EntityDumpTrack.cs
index 60cc6ff..945c61f 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/Entities/EntityDumpTrack.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/Entities/EntityDumpTrack.cs
@@ -38,7 +38,7 @@ public class EntityDumpTrack : EntityTrack
     /// <param name="bodywork">Признак наличия кузова</param>
     /// <param name="awning">Признак наличия тента</param>
 
-    public EntityDumpTrack(int speed, double weight, Color bodyColor, Color additionalColor, Color additional2Color, bool bodywork, bool awning) : base(5, 45, Color.Black)
+    public EntityDumpTrack(int speed, double weight, Color bodyColor, Color additionalColor, Color additional2Color, bool bodywork, bool awning) : base(5, 45, bodyColor)
     {
         AdditionalColor = additionalColor;
         Additional2Color = additional2Color;
diff --git a/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.Designer.cs b/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.Designer.cs
index 8deaa1a..4d419fb 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.Designer.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.Designer.cs
@@ -148,7 +148,7 @@
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(961, 493);
+            ClientSize = new Size(961, 100);
             Controls.Add(pictureBox);
             Controls.Add(groupBoxTools);
             Name = "FormTrackCollection";
diff --git a/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.cs b/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.cs
index c67031b..d4b36cd 100644
--- a/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.cs
+++ b/ProjectDumpTruck/ProjectDumpTruck/FormTrackCollection.cs
@@ -70,14 +70,14 @@ public partial class FormTrackCollection : Form
                 drawningTrack = new DrawningTrack(random.Next(100, 300), random.Next(1000, 3000), GetColor(random));
                 break;
             case nameof(DrawningDumpTrack):      
-                drawningTrack = new DrawningDumpTrack(random.Next(100, 300), random.Next(1000, 3000), Color.Black, GetColor(random), GetColor(random),
+                drawningTrack = new DrawningDumpTrack(random.Next(100, 300), random.Next(1000, 3000), GetColor(random), GetColor(random), GetColor(random),
                     Convert.ToBoolean(random.Next(2, 2)), Convert.ToBoolean(random.Next(1, 2)));
                 break;
             default:
                 return;
         }
 
-        if (_company + drawningTrack)
+        if (_company + drawningTrack != -1)
         {
             MessageBox.Show("Объект добавлен");
             pictureBox.Image = _company.Show();
@@ -125,7 +125,7 @@ public partial class FormTrackCollection : Form
         }
 
         int pos = Convert.ToInt32(maskedTextBox.Text);
-        if (_company - pos)
+        if (_company - pos != null)
         {
             MessageBox.Show("Объект удален");
             pictureBox.Image = _company.Show();