As such, {HEAD ~ intersection seam} 406 is separated from intersection seam 405 by {TAIL ~ major face} 402 
is separated by
As such , { HEAD ~ intersection seam } 406 is separated from intersection seam 405 by { TAIL ~ major face } 402
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH