The hinge allows the user to pivot the belt sander between a first position and a second position to bring the abrasive surface of the belt sander into and out of {HEAD ~ contact} with {TAIL ~ the work piece} 
The hinge allows the user to pivot the belt sander between a first position and a second position to bring the abrasive surface of the belt sander into and out of { HEAD ~ contact } with { TAIL ~ the work piece }
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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL