Machining; treatment and coating of metals

This class includes: - plating, anodizing etc. of metals - heat treatment of metals; - deburring, sandblasting, tumbling, cleaning of metals; - colouring and engraving of metals; - non-metallic coating of metals: plasticizing, enamelling, lacquering etc. - hardening, buffing of metals; - boring, turning, milling, eroding, planing, lapping, broaching, levelling, sawing, grinding, sharpening, polishing, welding, splicing etc. of metalwork pieces; - cutting of and writing on metals by means of laser beams.

This class excludes: - rolling precious metals onto base metals or other metals, see 24201 (Manufacture of precious metals); - activities of farriers, see 01620 (Support activities for animal production);