{TAIL ~ A transverse movable support bar} is mounted on the support arms for supporting {HEAD ~ the post hole digger assembly} balanced along the curved section of the boom 
{ TAIL ~ A transverse movable support bar } is mounted on the support arms for supporting { HEAD ~ the post hole digger assembly } balanced along the curved section of the boom
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH