By way of example, the worker may place column 12 on a table 16 or other stable structure, and bring the belt sander 30 into {HEAD ~ contact} with {TAIL ~ the exterior surface} of the work piece 12 
By way of example , the worker may place column 12 on a table 16 or other stable structure , and bring the belt sander 30 into { HEAD ~ contact } with { TAIL ~ the exterior surface } of the work piece 12
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH