During this cutting, {TAIL ~ the preventing means} prevents the cut coupling element blank from jumping up from {HEAD ~ the blade} of the cutting punch 
During this cutting , { TAIL ~ the preventing means } prevents the cut coupling element blank from jumping up from { HEAD ~ the blade } of the cutting punch
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH