The term fluorocarbon is used herein to mean {HEAD ~ halocarbons} containing {TAIL ~ carbon and fluorine atoms}, any other atoms being limited to hydrogen or chlorine atoms 
containing
The term fluorocarbon is used herein to mean { HEAD ~ halocarbons } containing { TAIL ~ carbon and fluorine atoms } , any other atoms being limited to hydrogen or chlorine atoms
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH