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