{HEAD ~ A plurality} of {TAIL ~ vertically extending vanes} may also be arrayed across the prefabricated brace 
of
{ HEAD ~ A plurality } of { TAIL ~ vertically extending vanes } may also be arrayed across the prefabricated brace
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH