The ablated coating on the carrier backing is heated to form a tacky film of {HEAD ~ the coating} on {TAIL ~ the carrier backing} 
The ablated coating on the carrier backing is heated to form a tacky film of { HEAD ~ the coating } on { TAIL ~ the carrier backing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL