Metal pipes (other than parts of machines, engines or sanitary installations); metal insulated pipes and fittings; pipes and tubes of metal; pre-insulated bonded metal pipes (other than parts of machines or for sanitary installations); pre-insulated bonded metal pipes for water; rigid pipes of metal (building); steel pipes; architectural hardware made of common metals; builders' hardware of common metals; building elements made of common metals; common metals and their alloys; common metals, unwrought or semi-wrought; fashioned common metals; ferrous metals; non-ferrous metals; partially processed base metals; partially worked common metals; raw base metals; rough common metals; unworked common metals; unwrought common metals; buildings, transportable, of metal; metal builiding materials; materials of metal for railway tracks; metal cables (non-electric); non-electric iron wires; non-electric cables and wires of common metal; stranded wires (non-electric); ironmongery; articles of metal hardware; small items of metal hardware; tubes of metal; safes; cash safes; stores (safes); strongboxes (safes) of metal; goods of common metal not included in other classes; ores; chrome ores; iron ores; ores for use in abrasives; ores for use in ceramics; ores for use in refractories; ores of metal; processed metal ores; transportable buildings of metal; insulated metal pipes (other than parts of machines, engines or motors); insulated metal tubing (other than parts of machines, engines or motors); alloys of common metal

Flexible pipes (not of metal); non-metallic insulated pipes; non-metallic fittings for pipes; non-metallic insulated piping systems including fittings; non-metallic pipe fittings (junctions); goods made from rubber, gutta-percha, gum, asbestos or mica, and goods made from these materials not included in other classes; rubber; gutta-percha; gum, raw or partly processed; asbestos; mica, raw or partly processed; plastics in extruded form for use in manufacture; plastics in extruded form for use in manufacture, packing, stopping and insulating materials; plastics insulating materials; plastics materials for stopping; insulated flexible hoses of non-metallic materials; pre-insulated bonded flexible non-metallic hoses; thermally insulated pipes made of plastic