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