Moreover, because pressure may build up adjacent to closed end 46 of heater tube 42, more heated exhaust may be discharged from openings 48 adjacent to closed end 46 than from {HEAD ~ openings} 48 located adjacent to {TAIL ~ open end} 44 
located adjacent to
Moreover , because pressure may build up adjacent to closed end 46 of heater tube 42 , more heated exhaust may be discharged from openings 48 adjacent to closed end 46 than from { HEAD ~ openings } 48 located adjacent to { TAIL ~ open end } 44
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH