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