1.50.01 Anode Baking Furnaces and Accessories
1.50.02 Aluminium Electrolysis Cells and Accessories
1.50.03 Casting Machines and Accessories
1.50.04 Ceramic Filters
1.50.05 Refractory Material and Cathode Carbon
1.50.06 Steel for Electrolytic Reduction Cells
1.50.07 Extrusion Billets
1.50.08 Aluminium Coils
1.50.09 Silica Sand
1.50.10 Foundry Alloys
1.50.11 Fasteners
1.50.12 Gaskets for Building Systems
1.50.13 Fittings for Building Systems
1.50.14 Accessories for Building Systems
1.50.15 Paints and Lacquers
1.50.16 Papers and Films