3
Ceramic and metal abrasives for grinding and cleaning; Canned compressed air for cleaning and dusting purposes
6
Ores, metals and alloys; Metal building materials and transportable buildings of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Ironmongery, small items of metal hardware; Non-mechanical rollers, reels and conveyors for hoses, cables, ropes and lines; Pipes, pipework, pipe clips, ducts, pipe bends, pipe sleeves, pipe couplings; Dampers; Containers made of metal; Safes
7
Machines and machine tools; Motors and engines, parts of motors and engines, machine coupling and transmission components (except for land vehicles); Filters (parts of machines); Mechanical and electric rollers, reels and conveyors for hoses, cables, rope and lines; Dust exhausting installations for cleaning purposes; Dust separators; Separators for smoke, steam, oil mist and waste materials; Extraction arms; Exhaust filter systems for motors and engines; Exhaust manifold for engines; Exhaust systems; Pumps (machines, parts of machines, electric motors and engines and motors); Pumps and extraction systems for extracting gases, liquids and steam; Vacuum pumps (machines); Lubrication pumps; Centrifugal pumps; Crushing machines; Cyclones and cutting tools (machines); Ignition apparatus; Pneumatic transporters; Conveyors (machines); Centrifuges (machines); Centrifugal mills; Vacuum cleaners, industrial vacuum cleaners; Sandblasters; Blasting equipment, blasting guns, wet blasting assemblies, blasting apparatus and blasting cabinets; High-pressure cleaning assemblies; Washing machines, washing equipment for industrial use
9
Protective equipment, helmets, welding helmets; Protective screens
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Industrial purifying installations for the handling of waste, air, water and energy products including nuclear waste reactors; Dust separators; Filters for air conditioning; Air purifying apparatus and machines; Air-conditioning installations; Air filtering installations; Fans (air-conditioning and parts of air-conditioning installations); Air-conditioning apparatus; Ventilation (air-conditioning) installations and apparatus; Exhaust cleaning systems
17
Hoses, not of metal; Hoses of textile material; Fire hoses; Fabric hoses; Connecting hoses for vehicle radiators; Flexible pipes, not of metal; Couplings, dampers and sleeves for pipes, not of metal
20
Reels, rollers and conveyers, not of metal and not mechanical, for hoses, cables, ropes and lines; Winding spools, not of metal, non-mechanical, for flexible hoses
37
Repair and maintenance; Installation
40
Air purification; Blasting and sand-blasting