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Building installation work; Construction work; Repair, maintenance and installation services; Public utilities; Water distribution and related services; Gas distribution and related services; Electricity distribution and related services; Other sources of energy supplies and distribution; Meter reading service;Electrical installation work;Insulation work;Plumbing and sanitary works;Fencing, railing and safety equipment installation work;Mechanical installations;Repair, maintenance and associated services of vehicles and related equipment;Repair and maintenance services of motor vehicles and associated equipment;Demolition services of vehicles;Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment;Repair, maintenance and associated services related to aircraft and other equipment;Repair, maintenance and associated services related to railways and other equipment;Repair, maintenance and associated services related to roads and other equipment;Repair, maintenance and associated services related to marine and other equipment;Repair, maintenance and associated services related to personal computers, office equipment, telecommunications and audio-visual equipment;Maintenance and repair of office machinery;Repair and maintenance services of personal computers;Maintenance services of telecommunications equipment;Repair and maintenance services of audio-visual and optical equipment;Repair and maintenance services of medical and precision equipment;Repair and maintenance services of measuring, testing and checking apparatus;Repair and maintenance services of medical and surgical equipment;Repair and maintenance services of precision equipment;Repair and maintenance services for pumps, valves, taps and metal containers and machinery;Repair and maintenance services of pumps, valves, taps and metal containers;Repair and maintenance services of machinery;Repair and maintenance services of building installations;Repair and maintenance services of electrical and mechanical building installations;Repair and maintenance services of central heating;Repair and maintenance services of cooler groups;Repair and maintenance services of escalators;Lift-maintenance services;Miscellaneous repair and maintenance services;Repair services of jewellery;Repair services of leather personal goods;Repair services of garments and textiles;Repair and maintenance services of weapons and weapon systems;Repair and maintenance services of furniture;Repair and maintenance services of musical instruments;Repair and maintenance services of playground equipment;Repair and maintenance services of hotel and restaurant equipment;Installation services;Installation services of electrical and mechanical equipment;Installation services of equipment for measuring, checking, testing and navigating;Installation services of communications equipment;Installation services of medical and surgical equipment;Installation services of machinery and equipment;Installation services of computers and office equipment;Installation services of metal containers;Water distribution;Operation of a water-purification plant;Operation of water supplies;Gas distribution;Electricity distribution;Operation of electrical installations;Operation of a power plant |