{HEAD ~ Elevations} 58 which are circular in cross section can be seen at {TAIL ~ the upper side} of the support member 20 
seen at
{ HEAD ~ Elevations } 58 which are circular in cross section can be seen at { TAIL ~ the upper side } of the support member 20
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH