FIG 23 depicts the use of movable safety barrier system 70 on one side of the roof 15 or {HEAD ~ peak} of {TAIL ~ a building} 24 
of
FIG 23 depicts the use of movable safety barrier system 70 on one side of the roof 15 or { HEAD ~ peak } of { TAIL ~ a building } 24
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH