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