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