Note that if {HEAD ~ the pair} of {TAIL ~ female slots} 407,408 was disposed on adjacent major faces, for example major face 404 and major face 402, the female slots 407 and 408 would then be separated by an intersection seam, like intersection seam 406 for instance 
Note that if { HEAD ~ the pair } of { TAIL ~ female slots } 407,408 was disposed on adjacent major faces , for example major face 404 and major face 402 , the female slots 407 and 408 would then be separated by an intersection seam , like intersection seam 406 for instance
OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH