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