A device is present by which an alternating batch wise charging of the receiving container of {HEAD ~ the second stage} takes {TAIL ~ place} from the receiving containers of the first stage 
A device is present by which an alternating batch wise charging of the receiving container of { HEAD ~ the second stage } takes { TAIL ~ place } from the receiving containers of the first stage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH