In this case, as mentioned above, the effective part can be cut with a high precision along the line to cut while using the modified region as {TAIL ~ a starting point} for {HEAD ~ cutting} as mentioned above 
In this case , as mentioned above , the effective part can be cut with a high precision along the line to cut while using the modified region as { TAIL ~ a starting point } for { HEAD ~ cutting } as mentioned above
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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH