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