Materials were refactored

StructureHelperCommon/Infrastructures/Enums/NatSystems.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Infrastructures.Enums
+{
+    public enum NatSystems
+    {
+        RU,
+        EU,
+        US,
+        IS
+    }
+}