{HEAD ~ Each apparatus segments} is mounted on {TAIL ~ a pair} of supporting members such that the weight of the segment loads the supporting members either through or proximal to the shear center thereof for minimization of supporting member torsional loading 
is mounted on
{ HEAD ~ Each apparatus segments } is mounted on { TAIL ~ a pair } of supporting members such that the weight of the segment loads the supporting members either through or proximal to the shear center thereof for minimization of supporting member torsional loading
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL 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