Treatment of materials, particularly of objects, namely, laser scribing and chemical marking of spare parts, machines, luxury goods, pharmaceuticals, food, consumer goods, consumables, textiles, ceramics, polymers and composites to protect against counterfeiting, tampering, and diversification, and to ensure the integrity of genuine products and documents; treatment of materials by surface forming tools, namely, printing, embossing, grinding, machining, molding, heat treatment and coating of ...