{HEAD ~ The hot coke} is then passed to {TAIL ~ a cooling zone} whereat photocells absorb radiant energy from the hot coke and transform the thus absorbed radiant energy into electricity 
{ HEAD ~ The hot coke } is then passed to { TAIL ~ a cooling zone } whereat photocells absorb radiant energy from the hot coke and transform the thus absorbed radiant energy into electricity
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH