6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of metal, included in class 6; ores
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; building materials (non-metallic), in particular tiles of glass, ceramics and/or plastics; transportable buildings, not of metal, in particular prefabricated garages, summer houses, storage sheds; monuments, not of metal; semi-worked timber, including beams, boards and panels, plywood; building glass, in particular window glass
20
Furniture, mirrors, picture frames; goods (included in class 20) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum, or of plastics
21
Utensils and containers (included in class 21); combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); articles made of glass, porcelain and earthenware for household and kitchen purposes, works of art made of glass, porcelain and earthenware
37
Building construction; demolition, damp-proofing, roofing, insulating, electric installation, facade cleaning, heating installation construction, tile laying, flooring, dehumidifying of buildings, scaffolding, glazing, structural and civil engineering, excavation, bridge construction, constructing permanent ways for railways, paving and tiling, building repair, sports field construction, road building, tunnel construction, hydraulic engineering, industrial furnace construction; installation and assembly of lighting apparatus, lightning protection installations, earthing installations, radio and communications devices; installation and assembly of heating, ventilating and air-conditioning apparatus; installation and assembly of refrigerating apparatus; installation and assembly of sanitary installations; insulation; plumbing, gas and water installation; painting, lacquering and wallpapering, laying of parquet floors, laying of pipelines; cleaning of buildings, chimneys, drains, automobiles, textiles; clothing repair or maintenance; repair or maintenance of electrical engineering products; repair or maintenance of machine construction products; repair or maintenance of bicycles; repair or maintenance of precision engineering products; repair or maintenance of technical sanitary apparatus; repair or maintenance of rubber goods; repair or maintenance of apparatus for heating, air-conditioning, refrigerating and ventilating; repair or maintenance of automobiles; repair or maintenance of aircraft; repair or maintenance of mechanical apparatus and devices for medical and orthopaedic purposes; repair or maintenance of photographic, projection and cinematographic apparatus; repair or maintenance of upholstery; ship repair or maintenance; repair or maintenance of shoes; repair or maintenance of clocks and watches; repair or maintenance of heat technology installations; shipbuilding, chimney construction, blasting, plastering; laying of land and sea cables; rental of machines, tools and apparatus for building construction; destroying vermin and weed killing; washing of linen; carpentry and timber lamination, construction of roof timbering, construction of wooden buildings, construction of staircases of wood; installation services