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:
——activities of farriers, see 0162
——rolling precious metals onto base metals or other metals, see 2420