diff --git a/Unity/Assets/Objects/lavabo.obj b/Unity/Assets/Objects/lavabo.obj
diff --git a/Unity/Assets/Objects/lavabo.obj.meta b/Unity/Assets/Objects/lavabo.obj.meta
diff --git a/Unity/Assets/Objects/shower.obj b/Unity/Assets/Objects/shower.obj
diff --git a/Unity/Assets/Objects/shower.obj.meta b/Unity/Assets/Objects/shower.obj.meta
diff --git a/Unity/Assets/Objects/towellrail.obj b/Unity/Assets/Objects/towellrail.obj
diff --git a/Unity/Assets/Objects/towellrail.obj.meta b/Unity/Assets/Objects/towellrail.obj.meta
diff --git a/Unity/Assets/Objects/washbassin.obj b/Unity/Assets/Objects/washbassin.obj
diff --git a/Unity/Assets/Objects/washbassin.obj.meta b/Unity/Assets/Objects/washbassin.obj.meta
diff --git a/Unity/Assets/Scenes/Building.unity b/Unity/Assets/Scenes/Building.unity
diff --git a/Unity/Assets/Scripts/Electronic/ElectronicDevice.cs b/Unity/Assets/Scripts/Electronic/ElectronicDevice.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 using System.Collections;
 
-public class ElectronicDevice : MonoBehaviour {
+public abstract class ElectronicDevice : MonoBehaviour {
 
 	public int delta_active_power_phase1 = 0;
 	public int delta_reactive_power_phase1 = 0;