Soil Preparation Electric Power Transmission Ventilation Regulation and Administration of Communications Plumbing Architectural Regulation and Administration of Communications Courts Plumbing Courts Research and Development in the Physical Ventilation Research and Development in the Physical Boiler

Parts of pumps, compressors, engines or motors Gases Construction work for pipelines, communication and power lines, for highways, roads, airfields and ra... Plants Mains Control, safety, signalling and light equipment Construction, foundation and surface works for highways, roads Engineering, auxiliary, average, loss, actuarial and salvage insurance services Control, safety or signalling equipment for inland waterways Heating works Control, safety or signalling equipment for parking facilities Command, control, communication systems Pumps Foundation work for highways, roads, streets and footpaths Construction work for highways, roads Electricity, heating, solar and nuclear energy Control, safety or signalling equipment for port installations Command, control, communication and computer systems Pressure-reducing, control, check or safety valves Control, safety or signalling equipment for roads Boilers Heating, ventilation and air-conditioning installation work Control, safety or signalling equipment for airports Dates

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Europe Northern Europe

Building Automobiles and Auto Parts Non-Renewable Energy Supply Engineering Roads and Highways-Bridge Oil and Gas Infrastructure Printing and Publishing Cement and Asbestos Products Construction Energy-Power and Electrical Computer Hardwares and Consumables Steel Building Material Construction Materials