Alternatively, the user can, without turning the instrument and without changing the direction in which cutting is performed, change {HEAD ~ the direction} of {TAIL ~ offset} of the bend region 
of
Alternatively , the user can , without turning the instrument and without changing the direction in which cutting is performed , change { HEAD ~ the direction } of { TAIL ~ offset } of the bend region
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 HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH