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