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Control, safety, signalling and light equipment Demolition, site preparation and clearance work Construction, foundation and surface works for highways, roads Control, safety or signalling equipment for inland waterways Wells construction work Thresholds Control, safety or signalling equipment for parking facilities Construction work Command, control, communication systems Control, safety or signalling equipment for port installations Command, control, communication and computer systems Forms Pressure-reducing, control, check or safety valves Other services Control, safety or signalling equipment for roads Goods used in construction Electrical, electromagnetic and mechanical treatment Architectural, construction, engineering and inspection services Demolition work Control, safety or signalling equipment for airports

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Civil Works Building Environment and Pollution-Recycling Automobiles and Auto Parts Supply Postal and Courier Services Roads and Highways-Bridge Services Education and Training Machinery and Equipments-M&E Defence and Security Electricity Construction Energy-Power and Electrical Computer Hardwares and Consumables Building Material Marine