Common metals and their alloys; buildings, transportable, of metal; pipes and tubes of metal; steel, unwrought or semi-wrought; aluminium; copper rings, namely, ring-shaped fittings of copper; screw rings of metal; angle irons of metal; lintels of metal; reinforcing materials, of metal, for concrete; reinforcing materials of metal for building; laths of metal; masts of metal; winding spools of metal, non-mechanical, for flexible hoses; platforms, prefabricated, of metal; wash down spray nozzles of metal for commercial and industrial use; kits for building prefabricated houses of metal; shuttering of metal for concrete; cables of metal, non-electric; collars of metal for fastening pipes; pillars of metal for buildings; advertisement columns of metal; roof coverings of metal; roofing of metal; cornices of metal; portable steel buildings; transportable buildings of metal; nuts of metal; tinplate; chrome iron; iron, unwrought or semi-wrought; molybdenum iron; silicon iron; titanium iron; tungsten iron; steel wire; aluminium wire; copper wire, not insulated; wire of common metal alloys, except fuse wire; wire of common metal; thread of metal for tying-up purposes; soldering wire of metal; iron wire; barbed wire; cast steel; cast iron, unwrought or semi-wrought; cable joints of metal, non- electric; elbows of metal for pipes; duckboards of metal; scaffolding of metal; cask stands of metal; sheets and door kick plates of metal; steel sheets; slabs of metal for building; paving blocks of metal; bindings of metal, namely, binding screws; steel alloys; alloys of common metal; building materials of metal, namely, building panels of metal, building boards of metal, and metal partitions for building; refractory construction materials of metal; brackets of metal for building; common metals, unwrought or semi-wrought; mullions of metal; sheet piles of metal; steel masts; posts of metal; building boards of metal; metal anchor plates; metal shims; gates of metal; joists of metal; junctions of metal for pipes; cladding of metal for construction and building; wall claddings of metal for building; wall linings of metal for building; ceilings of metal; props of metal, namely, metal pipe supports; foundry molds of metal; wrapping or binding bands of metal; framework of metal for building; wall plugs of metal; frames of metal for building; stretchers for iron bands, namely, metal tension links; trellis of metal; beams of metal; pipework of metal; steel pipes; branching pipes of metal; gutter pipes of metal; drain pipes of metal; clips of metal for cables and pipes; all the afore-mentioned goods not for chimneys or fireplaces

Building materials, not of metal, namely, fly ash, semi-worked woods and concrete poles; rigid pipes, not of metal, for building; roof flashing, not of metal; angle irons, not of metal; lintels, not of metal; scaffolding, not of metal; reinforcing materials, not of metal, for building; concrete; reeds for building, namely, non-metal posts for building; kits for building prefabricated houses, not of metal; shuttering, not of metal, for concrete; cement; asbestos cement; magnesia cement; cement for blast furnaces; cement for furnaces; advertisement columns, not of metal; roofing, not of metal; roofing, not of metal, incorporating solar cells; roof coverings, not of metal; buildings, transportable, not of metal; prefabricated buildings, not of metal; concrete building elements, namely, concrete walls for building; cement slabs; paving blocks, not of metal; mortar for building; refractory construction materials, not of metal; materials for making and coating roads, namely, road asphalt, tar-based asphalt sealants; road coating materials, namely, tar coatings for use on pavements; decorative moldings, not of metal, for use in building construction; framework, not of metal, for building; sheet piles, not of metal; cement posts; posts, not of metal; building panels, not of metal; props, not of metal, namely, plastic pipe supports; gates, not of metal; joists, not of metal; cladding, not of metal, for building; wainscotting, not of metal; wall claddings, not of metal, for building; ceilings, not of metal; slabs, not of metal for building; beams, not of metal; non-metal hips for roofing; scantlings, namely, building timber for carpentry; gutter pipes, not of metal; drain pipes, not of metal; sandstone pipes; branching pipes, not of metal

Construction of buildings; repair of buildings; installation services of metallic and non-metallic building materials, namely, metal beams and building insulation; construction consultancy; rustproofing; excluding construction, repair, maintenance, installation services in relation to chimneys, fireplaces and ventilation installations and apparatus

Updating of computer software; computer system analysis; interior design; electronic data storage; material testing; conducting technical project studies, namely, feasibility studies in the field of environmental engineering; architectural consultancy; computer software consultancy; computer software design; engineering; surveying; computer system design; construction drafting; computer programming; research and development of new products for others; technical research in the field of aeronautics; technical writing; architectural services