Nowadays, most industries use laser machine for a wide range of their applications. Laser engraving is used mostly due to its efficiency, precision and speed. It was the biggest revolution over traditional methods of engraving. The difference in laser engraving is that the machine used for engraving will not be direct contact with the surface which is to be engraved. Use of lasers for engraving has made this process really simple, which was earlier considered as complex process.