The worker moves the belt sander 30 longitudinally along {TAIL ~ the column} to remove unwanted matter, such as {HEAD ~ seam line} 14 
The worker moves the belt sander 30 longitudinally along { TAIL ~ the column } to remove unwanted matter , such as { HEAD ~ seam line } 14
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH