A rod support member is coupled to {HEAD ~ the base} of {TAIL ~ the rod} in a manner to permit the rod to pivot about its base 
A rod support member is coupled to { HEAD ~ the base } of { TAIL ~ the rod } in a manner to permit the rod to pivot about its base
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 OTH OTH OTH OTH OTH