6
Alloy forgings (rough or semi-finished -) [metal]; Semi-finished articles of aluminium or its alloys; Building and construction materials and elements of metal; Metal materials for building and construction; Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Extrusions of metal; Molds of metal; Solder (Metal -) for common metals; Ingot moulds of metal for castings; Framework of metal for building
11
Heat exchangers, other than parts of machines
40
Forging of metal goods to the order and specification of others; Metal finishing; Treating [stamping] of metal; Metal treating; Chromium plating of metal articles; Application of wear-resistant coatings on metals and plastics; Metal casting; Blacksmithing; Drilling of metals; Galvanising of metal; Die-casting of metals; Metal laminating; Enamelling of metals; Metal stamping; Polishing of metals; Metal brazing; Cutting of metal; Metalworking; Treating [forging] of metal; Treating [shaping] of metal; Extruding of metal alloys; Shaping of metal components; Metal melting services; Treating [tempering] of metal; Metal fabrication and finishing services; Machining parts for others; Shot blasting; Soldering; Assembly of products for others; Sandblasting services
42
Design of moulds; Engineering design; Engineering drawing; Design and testing of new products; Evaluation of product design; Materials testing and analysing; Chemical analysis; X-ray imaging, other than for medical purposes