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