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