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