However, according to the present invention, by virtue of the grooves formed at the side flash by laser irradiation, it is possible to easily remove the side flash and to improve deflashing efficiency and {TAIL ~ quality} of {HEAD ~ products} 
However , according to the present invention , by virtue of the grooves formed at the side flash by laser irradiation , it is possible to easily remove the side flash and to improve deflashing efficiency and { TAIL ~ quality } of { HEAD ~ products }
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 OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD