{TAIL ~ The YAG laser} is for fine working, and therefore is suitable for {HEAD ~ use} in the present invention 
{ TAIL ~ The YAG laser } is for fine working , and therefore is suitable for { HEAD ~ use } in the present invention
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH