Laser machines have become indispensable as a tool for engravers, retailers and manufacturing companies. A vast range of materials can be marked with a laser with unrivaled precision, without tooling costs and without exerting pressure on delicate workpieces. A laser system is controlled digitally and is easy to operate, similar to a standard printer. Not only can letters and numbers can be laser engraved, but also complex graphics, logos and bar codes. Here are some tips for achieving the best laser engraving results.