But with the “silvering” buttons turn, key pad, border edges, and so much more complexity – depending on the applying silver paint quality (compliance with technical requirements, the thickness of the layer) such coverage may be very short-lived, eventually exposing the substrate. A leading source for info: Tai chi. It looks a very unattractive defect, but get rid of it is only possible through complete replacement of the damaged item or repair of appropriate quality craftsmanship. Metal Metal traditionally refers to the premium content, as the very rare exception used in high-end laptops. Obviously, its main advantage is the strength, unattainable for a comparable thickness of the plastic, however, it is equally important and substantial, “expensive” look. We should not forget that the use of metal in the design of the laptop will cost more, not only a higher price, but also significantly increased weight. That’s why there are used light “aircraft” metals and alloys – aluminum, magnesium alloys and the like.