6
Junctions of metal for pipes; Structural joint connectors of metal; Joint connectors (Metal -) for pipes; Flexible tubes of metal; Metal hose fittings; Hose hangers of metal; Metal hose clamps; Sealing rings of metal; Pipes and tubes of metal; Ironmongery, small items of metal hardware; Common metals and their alloys; Metal building materials
17
Couplings; Non-metallic couplings for pipes; Couplings of rubber for tubes; Connectors (Non-metallic -) for hoses; Joint connectors (Non-metallic -) for pipes; Elbow joints (Non-metallic -) for flexible pipes; Non-metal pipe couplings and joints; Couplings (Non-metallic -) for use with high pressure hoses; Hydraulic packing; Sealants for joints; Pipe gaskets; Cylinder jointings; Joint filling compounds; Pipe gaskets; Plastics fibres for use in the manufacture of packings; Rings of rubber for use as pipe connection seals; Flexible expansion joints; Fabric expansion joints; Washers of rubber for forming tight joints [other than for water taps]; Flexible pipes, not of metal; Pre-formed hose; Flexible hose pipes of rubber; Hoses of textile material; Hose bandages; Flexible hoses composed of plastics; Hose linings; Flexible pipes, not of metal; Non-metallic adjustable hoses; Hose pipes made of plastic; Non-metallic flexible hoses made of rubber; Flexible hoses composed of plastics; Hoses of textile material; Flexible hoses made of polymeric materials; Pressure hoses (Non-metallic -); High pressure hoses of textile; Hoses (Non-metallic -) for industrial purposes; Non-metallic flexible hoses made of synthetic rubber; Water hoses of textile; Water hoses of rubber; Water hoses of plastic; Flexible hose of cotton with wire inserts; Flexible hoses of rubber reinforced with synthetic fabric; Flexible hose of cotton with wire braiding; Flexible hose of hemp with wire inserts; Flexible hose of plastics with wire inserts; Non-metallic flexible hoses of rubber reinforced with wires; Flexible pipes of silicone rubber reinforced with fabric; Sealing rings for hose fittings (Non-metallic -); Seals (Non-metallic -) for pipes; Seals (Non-metallic -) for conduits; Gaskets made of rubber; Gasket material; Non-metal gaskets; O-rings; Expansion joint fillers; Gaskets for industrial use; Gaskets in the form of rings; Waterproof packings; Sealing rings; Stuffing rings (Non-metallic -); Insulation forpipes; Non-metallic insulated pipe jackets; Non-metallic insulated pipe jackets; Insulators; Insulating plaster; Insulating materials for insulation against heat; Insulating sheaths; Insulations of synthetic material for the thermic protection of pipes; Electrical insulators; Electrical insulators; Plastics fibres for use in the manufacture of packings; Insulations with sealing functions for heat protection; Fire-resistant rubber tubes; Plastics in extruded form for use in manufacture; Packing, stopping and insulating materials
42
Engineering design; Engineering design; Consultancy services relating to product engineering; Analysis and evaluation of product design; Design of technical articles; Production of technical articles; Engineering consultancy relating to manufacture; Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Design and development ofcomputer hardware and software