The cap 44 is supported in relation to {TAIL ~ the wall member} 32 by a plurality of generally vertically extending flow straightening and deceleration vanes 56, each of which depend generally from the edge 33 downward and terminate at a lower edge 57 spaced from {HEAD ~ a lower edge} 47 of the cap member 44 
The cap 44 is supported in relation to { TAIL ~ the wall member } 32 by a plurality of generally vertically extending flow straightening and deceleration vanes 56 , each of which depend generally from the edge 33 downward and terminate at a lower edge 57 spaced from { HEAD ~ a lower edge } 47 of the cap member 44
OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH