{HEAD ~ Gases} from multiple locations in the plant may also be treated in {TAIL ~ accordance} with the present invention 
treated in
{ HEAD ~ Gases } from multiple locations in the plant may also be treated in { TAIL ~ accordance } with the present invention
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH