In a female version of {TAIL ~ the connector}, a cylindrical shell encloses a cavity in which {HEAD ~ a collette} is inserted 
In a female version of { TAIL ~ the connector } , a cylindrical shell encloses a cavity in which { HEAD ~ a collette } is inserted
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH