The combination of beams illustrated in FIG 25 is {HEAD ~ an alternative} to a 2×4 wood stud , possessing the features that will allow {TAIL ~ other construction materials} to be directly attached 
The combination of beams illustrated in FIG 25 is { HEAD ~ an alternative } to a 2×4 wood stud , possessing the features that will allow { TAIL ~ other construction materials } to be directly attached
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH