{HEAD ~ A device} for feeding {TAIL ~ animals} from a feed material containing reservoir, said device comprising: 
for feeding
{ HEAD ~ A device } for feeding { TAIL ~ animals } from a feed material containing reservoir , said device comprising :
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH