partly coking green carbonizable starting material by transporting a bed thereof horizontally in static bed form from the input to {TAIL ~ the output end} of {HEAD ~ the furnace} 
partly coking green carbonizable starting material by transporting a bed thereof horizontally in static bed form from the input to { TAIL ~ the output end } of { HEAD ~ the furnace }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD