Windows cut into the insulative and adhesive layers on either the top or bottom of {HEAD ~ the tape permit electrical connection} to {TAIL ~ the metallic conductive layer} 
to
Windows cut into the insulative and adhesive layers on either the top or bottom of { HEAD ~ the tape permit electrical connection } to { TAIL ~ the metallic conductive layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL