diff --git a/HoistingCrane/HoistingCrane/CollectionGenericObjects/AbstractCompany.cs b/HoistingCrane/HoistingCrane/CollectionGenericObjects/AbstractCompany.cs
index f8bd775..0a55ad4 100644
--- a/HoistingCrane/HoistingCrane/CollectionGenericObjects/AbstractCompany.cs
+++ b/HoistingCrane/HoistingCrane/CollectionGenericObjects/AbstractCompany.cs
@@ -76,7 +76,7 @@ public abstract class AbstractCompany
     public DrawningTrackedVehicle? GetRandomObject()
     {
         Random rnd = new();
-        return _collection?.Get(rnd.Next(GetMaxCount));
+        return arr?.Get(rnd.Next(GetMaxCount));
     }
 
     /// <summary>
@@ -85,14 +85,18 @@ public abstract class AbstractCompany
     /// <returns></returns>
     public Bitmap? Show()
     {
-        Bitmap bitmap = new(_pictureWidth, _pictureHeight);
+        Bitmap bitmap = new(pictureWidth, pictureHeight);
         Graphics graphics = Graphics.FromImage(bitmap);
         DrawBackgound(graphics);
         SetObjectsPosition();
-        for (int i = 0; i < (_collection?.Count ?? 0); ++i)
+        for (int i = 0; i < (arr?.Count ?? 0); ++i)
         {
-            DrawningTrackedVehicle? obj = _collection?.Get(i);
-            obj?.DrawTransport(graphics);
+            try
+            {
+                DrawningTrackedVehicle? obj = arr?.Get(i);
+                obj?.DrawTransport(graphics);
+            }
+            catch (Exception) { }
         }
         return bitmap;
     }