{HEAD ~ A mating connector}, having resilient contacts, is inserted into {TAIL ~ the aperture}, folding back the contact member 
is inserted into
{ HEAD ~ A mating connector } , having resilient contacts , is inserted into { TAIL ~ the aperture } , folding back the contact member
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH