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