diff --git a/ProjectCar/ProjectCar/CollectionGenericObjects/AbstractCompany.cs b/ProjectCar/ProjectCar/CollectionGenericObjects/AbstractCompany.cs
index 4c5e96d..c6aeece 100644
--- a/ProjectCar/ProjectCar/CollectionGenericObjects/AbstractCompany.cs
+++ b/ProjectCar/ProjectCar/CollectionGenericObjects/AbstractCompany.cs
@@ -1,6 +1,5 @@
-using ProjectAircraftCarrier_.Exceptions;
+using ProjectGasMachine.Exceptions;
 using ProjectGasMachine.Drawnings;
-using ProjectGasMachine.Exceptions;
 using System;
 using System.Collections.Generic;
 using System.Linq;
diff --git a/ProjectCar/ProjectCar/CollectionGenericObjects/ICollectionGenericObjects.cs b/ProjectCar/ProjectCar/CollectionGenericObjects/ICollectionGenericObjects.cs
index 4d8a8b7..72b4572 100644
--- a/ProjectCar/ProjectCar/CollectionGenericObjects/ICollectionGenericObjects.cs
+++ b/ProjectCar/ProjectCar/CollectionGenericObjects/ICollectionGenericObjects.cs
@@ -1,12 +1,11 @@
-using ProjectGasMachine.CollectionGenericObjects;
-using ProjectGasMachine.Drawnings;
+using ProjectGasMachine.Drawnings;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace ProjectGasMachine;
+namespace ProjectGasMachine.CollectionGenericObjects;
 
 /// <summary>
 /// Интерфейс описания действий для набора хранимых объектов
@@ -31,7 +30,7 @@ public interface ICollectionGenericObjects<T>
     /// <param name="obj">Добавляемый объект</param>
     /// <param name="comparer">Сравнение двух объектов</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    int Insert(T obj, IEqualityComparer<DrawningMachine?>? comparer = null);
+    int Insert(T obj, IEqualityComparer<T?>? comparer = null);
 
     /// <summary>
     /// Добавление объекта в коллекцию на конкретную позицию
@@ -40,7 +39,7 @@ public interface ICollectionGenericObjects<T>
     /// <param name="position">Позиция</param>
     /// <param name="comparer">Сравнение двух объектов</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    int Insert(T obj, int position, IEqualityComparer<DrawningMachine?>? comparer = null);
+    int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null);
 
     /// <summary>
     /// Удаление объекта из коллекции с конкретной позиции
diff --git a/ProjectCar/ProjectCar/CollectionGenericObjects/ListGenericObjects.cs b/ProjectCar/ProjectCar/CollectionGenericObjects/ListGenericObjects.cs
index 75c20dc..7a5bcc0 100644
--- a/ProjectCar/ProjectCar/CollectionGenericObjects/ListGenericObjects.cs
+++ b/ProjectCar/ProjectCar/CollectionGenericObjects/ListGenericObjects.cs
@@ -1,7 +1,7 @@
 
-using ProjectAircraftCarrier_.Exceptions;
 using ProjectGasMachine.Drawnings;
 using ProjectGasMachine.Exceptions;
+using System.Linq;
 
 namespace ProjectGasMachine.CollectionGenericObjects;
 
@@ -48,14 +48,14 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection[position];
     }
 
-    public int Insert(T obj, IEqualityComparer<DrawningMachine?>? comparer = null)
+    public int Insert(T obj, IEqualityComparer<T?>? comparer = null)
     {
         // TODO выброс ошибки, если переполнение
-        for (int i = 0; i < Count; i++)
+        if (comparer != null)
         {
-            if (comparer.Equals((_collection[i] as DrawningMachine), (obj as DrawningMachine)))
+            if (_collection.Contains(obj, comparer))
             {
-                throw new ObjectAlreadyInCollectionException(i);
+                throw new ObjectAlreadyInCollectionException();
             }
         }
         if (Count == _maxCount)
@@ -67,15 +67,15 @@ public class ListGenericObjects<T> : ICollectionGenericObjects<T>
         return _collection.Count;
     }
 
-    public int Insert(T obj, int position, IEqualityComparer<DrawningMachine?>? comparer = null)
+    public int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null)
     {
         // TODO выброс ошибки, если выход за границы списка
         // TODO выброс ошибки, если переполнение
-        for (int i = 0; i < Count; i++)
+        if (comparer != null)
         {
-            if (comparer.Equals((_collection[i] as DrawningMachine), (obj as DrawningMachine)))
+            if (_collection.Contains(obj, comparer))
             {
-                throw new ObjectAlreadyInCollectionException(i);
+                throw new ObjectAlreadyInCollectionException();
             }
         }
         if (position < 0 || position > Count)
diff --git a/ProjectCar/ProjectCar/CollectionGenericObjects/MassiveGenericObjects.cs b/ProjectCar/ProjectCar/CollectionGenericObjects/MassiveGenericObjects.cs
index 156d640..1d7281a 100644
--- a/ProjectCar/ProjectCar/CollectionGenericObjects/MassiveGenericObjects.cs
+++ b/ProjectCar/ProjectCar/CollectionGenericObjects/MassiveGenericObjects.cs
@@ -1,6 +1,4 @@
-
-using ProjectAircraftCarrier_.Exceptions;
-using ProjectGasMachine.Drawnings;
+using ProjectGasMachine.Drawnings;
 using ProjectGasMachine.Exceptions;
 using System.Linq;
 
@@ -71,18 +69,21 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
     }
 
 
-    public int Insert(T obj, IEqualityComparer<DrawningMachine?>? comparer = null)
+    public int Insert(T obj, IEqualityComparer<T?>? comparer = null)
     {
         // TODO выброс ошибки, если переполнение
-
-        for (int i = 0; i < Count; i++)
+        if (comparer != null)
         {
-            if (comparer.Equals((_collection[i] as DrawningMachine), (obj as DrawningMachine)))
+            foreach (T? item in _collection)
             {
-                throw new ObjectAlreadyInCollectionException(i);
+                if ((comparer as IEqualityComparer<DrawningMachine>).Equals(obj as DrawningMachine, item as DrawningMachine))
+                {
+                    throw new ObjectAlreadyInCollectionException();
+                }
             }
         }
         
+        
         for (int i = 0; i < Count; i++)
         {
             if (_collection[i] == null)
@@ -95,15 +96,18 @@ public class MassiveGenericObjects<T> : ICollectionGenericObjects<T>
         throw new CollectionOverflowException(Count);
     }
 
-    public int Insert(T obj, int position, IEqualityComparer<DrawningMachine?>? comparer = null)
+    public int Insert(T obj, int position, IEqualityComparer<T?>? comparer = null)
     {
         // TODO выброс ошибки, если выход за границы массива
         // TODO выброс ошибки, если переполнение
-        for (int i = 0; i < Count; i++)
+        if (comparer != null)
         {
-            if (comparer.Equals((_collection[i] as DrawningMachine), (obj as DrawningMachine)))
+            foreach (T? item in _collection)
             {
-                throw new ObjectAlreadyInCollectionException(i);
+                if ((comparer as IEqualityComparer<DrawningMachine>).Equals(obj as DrawningMachine, item as DrawningMachine))
+                {
+                    throw new ObjectAlreadyInCollectionException();
+                }
             }
         }
 
diff --git a/ProjectCar/ProjectCar/CollectionGenericObjects/StorageCollection.cs b/ProjectCar/ProjectCar/CollectionGenericObjects/StorageCollection.cs
index 5c89875..9f9c30c 100644
--- a/ProjectCar/ProjectCar/CollectionGenericObjects/StorageCollection.cs
+++ b/ProjectCar/ProjectCar/CollectionGenericObjects/StorageCollection.cs
@@ -1,5 +1,4 @@
-using ProjectAircraftCarrier_.Exceptions;
-using ProjectGasMachine.Drawnings;
+using ProjectGasMachine.Drawnings;
 using ProjectGasMachine.Exceptions;
 
 namespace ProjectGasMachine.CollectionGenericObjects;
diff --git a/ProjectCar/ProjectCar/Drawnings/DrawningMachineCompareByColor.cs b/ProjectCar/ProjectCar/Drawnings/DrawningMachineCompareByColor.cs
index 0144d79..9e00061 100644
--- a/ProjectCar/ProjectCar/Drawnings/DrawningMachineCompareByColor.cs
+++ b/ProjectCar/ProjectCar/Drawnings/DrawningMachineCompareByColor.cs
@@ -23,10 +23,6 @@ public class DrawningMachineCompareByColor : IComparer<DrawningMachine?>
         {
             return -1;
         }
-        if (x.GetType().Name != y.GetType().Name)
-        {
-            return y.GetType().Name.CompareTo(x.GetType().Name);
-        }
         var bodyColorCompare = y.EntityGas.BodyColor.Name.CompareTo(x.EntityGas.BodyColor.Name);
         if (bodyColorCompare != 0)
         {
diff --git a/ProjectCar/ProjectCar/Exceptions/ObjectAlreadyInCollectionException.cs b/ProjectCar/ProjectCar/Exceptions/ObjectAlreadyInCollectionException.cs
index 3bd0d10..5c73f8d 100644
--- a/ProjectCar/ProjectCar/Exceptions/ObjectAlreadyInCollectionException.cs
+++ b/ProjectCar/ProjectCar/Exceptions/ObjectAlreadyInCollectionException.cs
@@ -1,14 +1,14 @@
 using System.Runtime.Serialization;
 
-namespace ProjectAircraftCarrier_.Exceptions;
+namespace ProjectGasMachine.Exceptions;
 
 /// <summary>
 /// Класс, описывающий ошибку переполнения коллекции
 /// </summary>
 [Serializable]
-internal class ObjectAlreadyInCollectionException : ApplicationException
+public class ObjectAlreadyInCollectionException : ApplicationException
 {
-    public ObjectAlreadyInCollectionException(int index) : base("Такой объект уже присутствует в коллекции. Позиция " + index) { }
+    public ObjectAlreadyInCollectionException(int count) : base("Такой объект уже присутствует в коллекции. Позиция " + count) { }
 
     public ObjectAlreadyInCollectionException() : base() { }
 
diff --git a/ProjectCar/ProjectCar/FormGasMachineCollection.cs b/ProjectCar/ProjectCar/FormGasMachineCollection.cs
index 1abb173..59d7916 100644
--- a/ProjectCar/ProjectCar/FormGasMachineCollection.cs
+++ b/ProjectCar/ProjectCar/FormGasMachineCollection.cs
@@ -51,18 +51,22 @@ namespace ProjectGasMachine
         /// <param name="machine"></param>
         private void SetMachine(DrawningMachine? machine)
         {
+            if (_company == null || machine == null)
+            {
+                return;
+            }
             try
             {
-                if (_company == null || machine == null)
-                {
-                    return;
-                }
                 if (_company + machine != -1)
                 {
                     MessageBox.Show("Объект добавлен");
                     _logger.LogInformation($"Добавлен объект {machine.GetDataForSave()}");
                     pictureBox.Image = _company.Show();
                 }
+                else 
+                {
+                    MessageBox.Show("Не удалось добавить объект");
+                }
             }
 
             catch (CollectionOverflowException ex)
@@ -70,6 +74,11 @@ namespace ProjectGasMachine
                 MessageBox.Show(ex.Message);
                 _logger.LogWarning($"Ошибка: {ex.Message}");
             }
+            catch (ArgumentException ex)
+            {
+                MessageBox.Show(ex.Message);
+                _logger.LogWarning($"Ошибка: {ex.Message}");
+            }
         }