Laser cleaning is a flexible and powerful surface treatment. It's goal is to eliminate impurities embedded on a material surface. It operates by removing a layer from the surface of a substrate or eliminating the impurities embedded in the material. It may also remove the upper layer of the surface on which it works. The advantages laser cleaning are many: the cleaning process can be monitored continuously, it can be applied to precise, small, accurate spots and can be esaily automated thrugh computer control. El.En. CO2 laser sources are the perfect choice for all those cleaning applications where precision is a decisive issue.