diff --git a/.gitignore b/.gitignore
index ca1c7a3..9c21aff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,6 +69,8 @@ ScaffoldingReadMe.txt
 # StyleCop
 StyleCopReport.xml
 
+/ProjectFlowerShop/ImplementationExtensions
+
 # Files built by Visual Studio
 *_i.c
 *_p.c
diff --git a/ProjectAirplaneWithRadar/ProjectAirplaneWithRadar/FormAirplanesCollection.cs b/ProjectAirplaneWithRadar/ProjectAirplaneWithRadar/FormAirplanesCollection.cs
index 048edf7..daf72b2 100644
--- a/ProjectAirplaneWithRadar/ProjectAirplaneWithRadar/FormAirplanesCollection.cs
+++ b/ProjectAirplaneWithRadar/ProjectAirplaneWithRadar/FormAirplanesCollection.cs
@@ -120,8 +120,7 @@ namespace ProjectAirplaneWithRadar
             {
                 return;
             }
-            var obj = _storage[listBoxStorages.SelectedItem.ToString() ??
-            string.Empty];
+            var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
             if (obj == null)
             {
                 return;
diff --git a/backup.zip b/backup.zip
new file mode 100644
index 0000000..5cf3f85
Binary files /dev/null and b/backup.zip differ