In order to remove hollow closed end needle {HEAD ~ 10 force} is applied to remove {TAIL ~ stopper} 26 with its teeth 27 and 28 from surface 31 
In order to remove hollow closed end needle { HEAD ~ 10 force } is applied to remove { TAIL ~ stopper } 26 with its teeth 27 and 28 from surface 31
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH