The post hole digger stand 1 wherein {HEAD ~ the surface engaging members} are {TAIL ~ swivel casters} 
are
The post hole digger stand 1 wherein { HEAD ~ the surface engaging members } are { TAIL ~ swivel casters }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL