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Roof works and other special trade construction works Lift installation work Parts of lift, skip hoists or escalators Laboratory building construction work Ventilation and air-conditioning installation work Other electrical installation work Electrical installation work Construction, foundation and surface works for highways, roads Painting work Wells construction work Joinery work Lifts, skip hoists, hoists, escalators and moving walkways Parts of lifts Heating works Masonry work Construction work Electricity, heating, solar and nuclear energy Plumbing and sanitary works Floor and wall covering work Posts Goods lifts Lifts Goods used in construction Architectural, construction, engineering and inspection services Heating, ventilation and air-conditioning installation work Partitions Dates

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