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