More specifically, the invention is in the field of {HEAD ~ removal} of {TAIL ~ vinyl halides} from gas streams 
of
More specifically , the invention is in the field of { HEAD ~ removal } of { TAIL ~ vinyl halides } from gas streams
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH