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