{HEAD ~ Coal}, either as coal fines or as coal briquettes, is introduced into {TAIL ~ a coking chamber} and is thereat exposed to microwave radiation to transform the coal into hot coke 
is introduced into
{ HEAD ~ Coal } , either as coal fines or as coal briquettes , is introduced into { TAIL ~ a coking chamber } and is thereat exposed to microwave radiation to transform the coal into hot coke
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH