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Signage Control, safety, signalling and light equipment Publications Control, safety or signalling equipment for inland waterways Tunnelling works Control, safety or signalling equipment for parking facilities Construction work for engineering works except bridges, tunnels, shafts and subways Command, control, communication systems Control, safety or signalling equipment for port installations Command, control, communication and computer systems Pressure-reducing, control, check or safety valves Other services Control, safety or signalling equipment for roads Electrical, electromagnetic and mechanical treatment Postal orders Electronic, electromechanical and electrotechnical supplies Designs Control, safety or signalling equipment for airports Dates

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Automobiles and Auto Parts Supply Bridges and Tunnels Postal and Courier Services Roads and Highways-Bridge Services Railways-Rail-Railroad Defence and Security Electricity Infrastructure and Tunnels Construction Energy-Power and Electrical Computer Hardwares and Consumables Steel Electronics Marine