the sensing edge extends along a third line, and said {HEAD ~ adhesive relief edge} extends along {TAIL ~ a fourth line} which intersects the third line, and 
the sensing edge extends along a third line , and said { HEAD ~ adhesive relief edge } extends along { TAIL ~ a fourth line } which intersects the third line , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH