first and second flange members disposed along the full length of opposing edges of said plate member, wherein the first flange member is disposed away from the upper surface of {HEAD ~ said plate} in {TAIL ~ a direction} opposite to the direction of said second flange member 
first and second flange members disposed along the full length of opposing edges of said plate member , wherein the first flange member is disposed away from the upper surface of { HEAD ~ said plate } in { TAIL ~ a direction } opposite to the direction of said second flange member
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH