Improper inspection using Analog vernier		
		
		
		
|Vernier reading by the operator done wrong (Analog)		
		
		
		
|Operator entered wrong value in the program (on plus side)		
		
		
		
|Back stopper in the chuck was not planned for this operation		
		
		
		
|Back stopper in the chuck was not planned for this operation		
		
		
		
