{HEAD ~ Equipment} 1 including {TAIL ~ a head end scraper} associated with each apron conveyor for removing refuse from the apron conveyors 
{ HEAD ~ Equipment } 1 including { TAIL ~ a head end scraper } associated with each apron conveyor for removing refuse from the apron conveyors
HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH