A typical laser hole has a burr and dross at the edge of {TAIL ~ the hole} opposite {HEAD ~ the laser}  
A typical laser hole has a burr and dross at the edge of { TAIL ~ the hole } opposite { HEAD ~ the laser }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH