6
Aluminium; Aluminium and its alloys; Steel; Rings of metal; Angle irons; Lintels of metal; Reinforcing materials, of metal, for concrete; Reinforcing materials of metal for pipes; Reinforcing materials of metal for building; Masts of metal; Hollow steel bars; Metal bars for further manufacture; Non-electric cables of metal; Pillars of metal for buildings; Water-pipes of metal; Metal ventilation channels; Metal ducts; Metal connectors for decking and decking joists; Containers of metal for chemicals, compressed gases, liquids; General-purpose containers of metal; Flashing of metal, for building; Metal lids; Roof coverings of metal; Metal roofing; Steel buildings; Buildings of metal; Transportable buildings of metal; Wire; Expansion joints of metal for pipelines and ducts; Elbows of metal for pipes; Duckboards of metal; Framework scaffolding of metal; Slabs of metal for building; Alloys of common metal; Pipe muffs of metal; Metal building materials; Common metals, unwrought or semi-wrought; Metals and metal alloys; Hoop steel; Aluminum siding; Cladding panels of metal; Junctions of metal for pipes; Wall linings of metal [building]; Linings of metal for building; Props of metal; Framework of metal for building; Frames of metal for building; Metal tubing; Metal tubes and pipes; Steel pipes; Pipes and tubes of metal; Sewer pipes of metal; Metallic pipes, tubes and fittings therefor; Water-pipe valves of metal
17
Rings of rubber for use as pipe junction fittings; Rings of rubber; Sealed water-tight rings for hydraulic tubes; Reinforcing materials, not of metal, for pipes; Pipe-jointing compounds; Insulation (Metal foil for -); Metal foil for building insulation; metal gaskets; non-metallic gaskets; Pipe gaskets; Non-metallic tubing couplings; Insulating sheaths for industrial pipes; Waterproof packings, not of metal, for buildings; Insulators; Rubber; Latex rubber for use in manufacture; Pipe jackets, not of metal; Padding materials of rubber or plastics; Packing materials of plastic for shipping containers; Insulating materials; Glass fiber insulation materials for use in construction; Insulating materials for underground pipes and tanks; Insulating materials for building; Insulating materials for building; Insulating materials for pipes; Filtering materials [semi-processed foams or films of plastic]; Semi-processed plastics; Adhesive tapes for industrial purposes; Insulating tapes; Pipe joint tape; Films of polyurethane for waterproofing and insulation of buildings; Fittings [non-metallic] for flexible pipes; Junctions, not of metal, for pipes; Insulating plaster; Pipe joint sealant; Insulating supports, not of metal, for pipes; Fiberglass fabrics for building insulation; Flexible hoses composed of plastics; Hydraulic hoses of plastic; Industrial hoses of plastic; Industrial hoses of rubber; Flexible pipes, not of metal; Rubber flaps
19
Roof flashing, not of metal; Roofing slates; Scaffolding; Reinforcing materials, not of metal, for building; Plastic floorboards; Masts (poles), not of metal; Safety barriers, not of metal; Lime; Concrete; Metal caps, not of metal, for heating, ventilating and air conditioning installations; Reeds, for building; Cement; Water-pipes, not of metal; Non-metal ventilating ducts; Water conduits of plastic for roofs and balconies; Pipes, not of metal, for sewers; Ducts, not of metal, for ventilating and air-conditioning installations; Flashing, not of metal, for building; Manhole covers, not of metal; Non-metal roofing; Buildings, transportable, not of metal; Buildings, not of metal; Prefabricated non-metal buildings; Concrete building elements; Gravel; Grilles, not of metal; Street gutters, not of metal; Coatings (building materials); Cement slabs; Paving slabs, not of metal; Slabs, not of metal, for building; Building materials (non-metallic); Non-metallic minerals for building or construction; Building (framework for -), not of metal; Non-metal posts; Facing panels, not of metal; Building panels, not of metal; Building stone; Pillars, not of metal, for building; Non-metal wainscotting; Coverings, not of metal, for building; Sand; Non-metal decking; Waterproof boards and panels for building, not of metal; Plastic roofing tiles; Non-metal roofing tiles; Linings, not of metal, for building; Pipes made of cement; Drain pipes, not of metal; Tubes of plastic for hydraulic use; Non-metallic rigid pipes for building; Water-pipe valves, not of metal or plastic; Slate slabs; Clay slabs; Stone slates; Panel-shaped building materials, not of metal