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Pipework contractors, chemical and nuclear effluent systems
Pipework installation contractors, chemical plant
Pipework installation contractors, furnaces and boilers
Pipework installation contractors, technical gas production plant
Pipework contractors, gas distribution systems
Leakage detection and location services, pipelines
Wireline services, oil well
Bridges, heavy steel
Bridges, light alloy
Bridges, metal, suspension
Bridges, metal, swing
Bridges, metal, transporter
Bridges, metal, bascule
Bridges, metal, prefabricated unit
Bridges, metal, pipe
Bridges, metal, railway and road
Footbridges, metal
Utilities bridges, temporary, steel
Walkways, suspended, catwalks, metal
Trestle-work, metal
Lock and sluice gates, metal
Spillway gates, steel
Flood barriers, metal, mobile
Masts and pylons, steel
Masts and pylons, light alloys
Masts, metal, telescopic
Masts and towers, metal, for communication systems
Masts, metal, controlled triggering of avalanches
Electric transmission line towers and electricity pylons, metal
Poles, metal, for telephone and electricity power lines
Cableway towers, metal
Towers, floodlighting or aircraft beacon, metal
Street standards, tramway and trolleybus, steel
Wind generator towers, steel
Stanchions and lattice stanchions, metal
Bridge bearings, metal
Arch centres, metal, for tunnels
Expansion joints, metal, for roads and bridges
Flooring sheets, metal, drawn, for bridges
Roads and runways, portable, prefabricated metal
Structural steelwork for hydroelectric plant
Offshore structures, metal
Steelwork, prefabricated, for ships
Prefabricated superstructures, metal, for ships
Pipe support systems, metal
Avalanche barriers, metal
Air raid shelter elements, metal
Pipe racks, metal, for the petroleum industry
Chlorine generators for swimming pools
Upholstery cleaning equipment
Mailbag cleaning machines
Pumps, dry-cleaning industry
Rainwater collection systems
Filtration plant for industrial water, standby, mobile
Water purification installations, electrochemical
Water purification equipment, ultraviolet (UV) light
Water purification equipment, ultra-high purity
Drinking water treatment and purification plant
Water de-aeration equipment
Water clarification plant
Water sterilisation plant
Water ozonisation plant
Water oxygenation plant
Water deionising equipment
Water dealkalisation equipment
Water neutralisation plant
Water decalcification plant
Water demineralisation plant
Water dechlorination systems
Water chlorination plant
Water purification systems for flue gas desulphurisation plant
Drinking water disinfection systems, electrolytic
Effluent treatment plant, grain mills and distilleries
Effluent treatment plant, agricultural
Effluent treatment plant, waste fibre recovery
Effluent treatment plant, waste ink and starch recovery
Effluent treatment plant, recovery of hydrocarbons
Detoxication plant, effluent treatment
Bactericidal treatment plant, process water
Effluent treatment plant, dyes
Effluent treatment plant, marine
Treatment systems for leachate and water percolated from solid urban waste disposal areas
Underflow baffles, sewage treatment
Effluent treatment plant, paper industry
Effluent treatment plant, wood processing industry
Cleaning systems for rainwater collection tanks
Filter-bed regeneration equipment, effluent treatment
Water softening plant, industrial
Sea water desalination plant
Water desalination plant
Water deacidification plant
Swimming pool water treatment plant
Swimming pool water filtration plant
Wave generating equipment, air injection, for swimming pools
Effluent treatment equipment for the printing and graphics industry
Metal construction, lightweight
Industrial building construction
Water decalcification units and sleeves, magnetic
General contractors
