transferring {HEAD ~ additive material} from {TAIL ~ the roll face} of the second roller to the paper web 
transferring { HEAD ~ additive material } from { TAIL ~ the roll face } of the second roller to the paper web
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH