6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks and sleeping cars; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes, beams, roofs, walls, stairs, balconies, facades, floors and floorboards; ores; sheet piles of metal; columns; pipes and tubes and metal joining components relating to pipelines for the transport and distribution of hot and cold liquids of all kinds, gas and energy; expansion apparatus; metal containers for radioactive waste; fences of metal; mesh of metal; railway sleepers; metal coatings for pipes; troughs of metal; metallic manhole plugs; casting molds; molds of metal
7
Machine tools; saw and sawing equipment; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; modular waste tips units (for sorting); sludge separators; oil separators; decarbonizing machines; filtering machines; screen rakes; material separators; degreasers; pumps; metering and mixing equipment; extrusion molding machines
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; apparatus for treating water and for decontaminating water; waste water purification installations; pumping stations; settling tanks; hydrocarbon separators; fans; regulating and safety devices for liquid and gas pipes; fountains, not of metal
17
Flexible pipes, tubes, hoses and fittings therefor, including valves, non-metallic of rubber; waterproofing and moisture proofing articles and materials of rubber; insulation and barrier articles and materials of rubber and asbestos; molds of rubber; Shock-absorbing and packing materials, vibration dampers of rubber; seals, sealants and fillers of asbestos; coverings of rubber and asbestos; electrical insulating mica products; plastics in extruded form for use in manufacture; stopping and insulating materials; flexible pipes, not of metal; pipe joints and connectors for pipes; pipes and accessories, not of metal, for pipelines for transporting and distributing hot and cold liquids of all kinds, gas and energy; branch boxes, not of metal, for pipework
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; installations for the distribution of hot and cold liquids of all kinds, gas and energy, regulating and safety devices for liquid and gas pipes; building materials (non-metallic), paving blocks; kerb stones; rail supports; inspection ports; engineering chambers and galleries; pre-fabricated shelters (military and civil); key bricks; supporting walls; slabs; gutters; slabs of concrete and cement; grass slabs; tree surrounds; non-metal storage tanks; non-metallic assemblies, namely channels, storage tanks, drain gullies, chutes, sluices and sewers for funnelling and diverting surface water and waste water; side walls; water infeeds, cantilever slabs; drainage slabs, storage partitions, not of metal; non-metallic tanks: bridges and cornices, not of metal; pre-fabricated elements, not of metal, for cellars; flue blocks, beams, posts, fences, meter inspection ports, columbarium vaults
37
Building construction; repair and maintenance services for materials and machines on building sites; installation services for materials and machines on building sites; maintenance, repair and installation services for floors of concrete, floor slabs, precast slabs, honeycomb slabs, pre-fabricated foundation blocks; installation, repair and maintenance of pipeline networks and pipes; installation of joints and accessories relating to pipelines for the transport and distribution of hot and cold liquids of all kinds, gas and energy; construction, repair and maintenance of tunnels; restoration, asphalting, decontamination and diverting surface water networks and waste water; rental of construction materials and equipment; construction, building construction and repair of scaffolds, installation services; drilling; roadwork; sinking; building construction supervision
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development; design services for artwork; research services, namely pipeline network studies; technical inspection services, namely pipeline inspection services