As closure 12 is screwed onto container 14, annular lower portion 38 will make {HEAD ~ contact} with {TAIL ~ annular container flange} 18 
with
As closure 12 is screwed onto container 14 , annular lower portion 38 will make { HEAD ~ contact } with { TAIL ~ annular container flange } 18
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH