True zero clearance cutting on {TAIL ~ a commercial scale} is provided via a cutting area including {HEAD ~ a sacrifice material} that is relatively softer than the cutter 
True zero clearance cutting on { TAIL ~ a commercial scale } is provided via a cutting area including { HEAD ~ a sacrifice material } that is relatively softer than the cutter
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH