Treatment and coating of metals; machining

This class includes, plating, anodizing etc. of metal, heat treatment of metal, deburring, sandblasting, tumbling, cleaning of metals, colouring, engraving, printing of metal non-metallic coating of metal, hardening, buffing of metal, 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: - activities of farriers, see 0162 - rolling precious metals onto base metals or other metals, see 2420