{HEAD ~ The cap} 16 further has {TAIL ~ a second portion} defining a small cylindrical cavity 32 concentric to the large female cylindrical cavity 28 and depending downwardly in an axial direction 
{ HEAD ~ The cap } 16 further has { TAIL ~ a second portion } defining a small cylindrical cavity 32 concentric to the large female cylindrical cavity 28 and depending downwardly in an axial direction
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL 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