While {HEAD ~ such structural beams} exhibit {TAIL ~ satisfactory strength} in tension, compression, and bending, these beams are relatively weak in axial torsion 
While { HEAD ~ such structural beams } exhibit { TAIL ~ satisfactory strength } in tension , compression , and bending , these beams are relatively weak in axial torsion
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH