Lasers are used all over the world, up to industrial levels. It is one of the most versatile modern inventions, and is applied to many different processes.
Lasers are made use of by various different industries, including: automotive, industrial, medical, military, aerospace and electronics. Each industry that uses lasers tends to use them in different ways. For example manufacturing industries may use lasers to weld and measure materials, where as in medical fields lasers are used to mark instruments or within medical equipment.
Lasers are often used by working professionals and can even be used at home. While they are not necessarily cheap, a laser can be easily purchased at a store or online and be used for cutting, etching and marking as well as many other applications. Lasers like these can engrave on many different kinds of metal, plastic, wood, or glass and are recommended for marking parts that are expected to experience high wear.