6
Metal building materials; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; ores; valves of metal (except parts of machines); metal pipework; drain pipes as well as connection parts; connection and closing parts, all of metal; manhole covers of metal; covers of metal; tapping clamps of metal
7
Pumps, compressed air engines; air blowing machines, pulp; components of pneumatic machines and hydraulic machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs; valves (clack -) [parts of machines]; valves (machine parts); gears; pressure reducers (parts of machines); machines and apparatus for cleaning (electric); actuators
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus; solenoid valves (electromagnetic contacts); sprinkler installations for fire protection; valves with electric actuators; parts for sprinkler systems (safety equipment), namely hose nozzles, fire pumps, signal devices; gasometers; gas analysers
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; level control valves for reservoirs and tanks; thermostatic valves (parts of heating installations); hydrants; gas apparatus (regulating and safety fittings therefor); gas burners; gas scrubbing apparatus; gas generators; gas boilers; gas condensers (other than parts of machines); gas pipes (regulating and safety fittings therefor); gas scrubbers (parts of gas installations); friction lighters for igniting gas; scrubbers (parts of gas installations); regulating and safety accessories for gas pipes
17
Plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes not of metal; valves of rubber or vulcanised fibre; joint packings; packing and caulking materials
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, tar, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; water pipe valves, not of metal and not of plastic; access covers (not of metal) for underground hydrants and for valves and valve fittings; manhole covers, not of metal
20
Water-pipe valves of plastic; valves, not of metal, other than parts of machines; wedges of plastic; containers of plastic; caps of plastic
37
Building construction; repair of valves, pumps, actuators, gears and machines; installation of valves, pumps, actuators, gears; services related to construction of supply systems, drain systems and sewage systems; maintenance and repair services related to supply systems, drain systems and sewage systems
40
Metal treatment; sewage treatment; consulting in the field of water treatment; providing information relation to the treatment of materials; providing information in relation to water treatment; treatment and coating of metal surfaces; treatment and processing of plastic materials; treatment of metal parts to prevent corrosion