{HEAD ~ The hinge} allows {TAIL ~ 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 contact with the work piece 
allows
{ HEAD ~ The hinge } allows { TAIL ~ 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 contact with the work piece
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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