Another advantage of the present invention is to provide {HEAD ~ a versatile lightweight steel beam system} as {TAIL ~ an alternative} to both wood and traditional metal construction materials 
as
Another advantage of the present invention is to provide { HEAD ~ a versatile lightweight steel beam system } as { TAIL ~ an alternative } to both wood and traditional metal construction materials
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH