Treatment of materials, namely, treatment and flourescent coating of textiles, leather goods, data carrier devices, computer chips, metal components of articles, namely, metal components of products coated to avoid product forgery, spare parts for automobiles and aircraft, luxury products, in particular watches or clocks, jewelry, bags, jackets, fur, fur clothes, shoes, grinding devices for the wafer industry, hi-fidelity audio or video systems, computers and televisions, portable electronic ...