... locking mechanisms, of novelty in structure Y 11 X II - 20 41 Z J 10 -2 (1) (2) (3) (4) (5 ... NO. : 08,10,12,14,1, 6,18,20,22,24 Y 11 X II - 20 41 Z J 10 -2 (1) (2 ... Tagging(5):Shell NO. : 08,10,12,14,1, 6,18,20,22,24 (6):Q’ty of contact : 4,7,10 ...