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