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Common metals and their alloys; building materials of metal; transportable buildings of metal; metallic materials for railway tracks; non-electric cables and wires of metal; ironmongery and small items of metal hardware; tubes of metal; safes [strong boxes]; metal products in the form of ingots or in the form of round and/or square bars.Construction services; assembly and maintenance services for tubes, pipes, transportable buildings of metal, installations in buildings, ironmongery and small items of hardware, and safes; repair services for tubes, pipes, mechanical portable buildings, installations in buildings, locksmith and hardware goods and safes.Treatment of metal; metal casting services; treatment of steel; cutting of steel; steel polishing; heat treatment and coating of steel; lamination; lamination of metal plates.Scientific and technological services, as well as research and design services relating thereto; industrial analysis and research services; design and development of computer hardware and software; development of coatings for metals; research relating to metals; engineering services relating to metal formation systems; engineering services relating to metal handling systems.