Shifting the position of the inserts relative to {HEAD ~ the feed path} of {TAIL ~ the electrode} allows more than one portion of each cutting edge on the insert to be used 
of
Shifting the position of the inserts relative to { HEAD ~ the feed path } of { TAIL ~ the electrode } allows more than one portion of each cutting edge on the insert to be used
OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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