{HEAD ~ The exterior housing}, which includes major faces and {TAIL ~ intersection seams}, has at least two female slots that project inward at an angle that is non orthogonal to the major faces or intersection seams 
includes
{ HEAD ~ The exterior housing } , which includes major faces and { TAIL ~ intersection seams } , has at least two female slots that project inward at an angle that is non orthogonal to the major faces or intersection seams
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH