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