A mating extension extends from the cross member and through {TAIL ~ an opening} defined in {HEAD ~ the rear wall} of the housing 
A mating extension extends from the cross member and through { TAIL ~ an opening } defined in { HEAD ~ the rear wall } of the housing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH