{HEAD ~ The heated air} then exits {TAIL ~ the grain dryer} 10 through the outer perforated wall 34 in the general direction of arrow 44  
exits
{ HEAD ~ The heated air } then exits { TAIL ~ the grain dryer } 10 through the outer perforated wall 34 in the general direction of arrow 44
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH