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Petroleum, coal and oil products Petroleum products, fuel, electricity and other sources of energy Construction work for pipelines, communication and power lines, for highways, roads, airfields and ra... Hot water Construction, foundation and surface works for highways, roads Fuels Heating works Foundation work for highways, roads, streets and footpaths Construction work for highways, roads Electricity, heating, solar and nuclear energy Other services Electricity Heating, ventilation and air-conditioning installation work Parts of fuel, hand and concrete pumps

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Europe

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