-Production, transmission and supply of electricity;-Construction of public works. Details: constructed irrigation;-Construction of railways and roads. Details: building traffic;-Construction of other civil engineering works. Details: construction industry, technical infrastructure;-Building types;-Maintenance and repair of cars and other motor vehicles;-Rental of machinery, equipment and other tangible goods;-Wholesale of materials, equipment and other installations in the building;-The investment and construction of power works;-Consulting, construction and installation works;-Travel services;-Manufacture and sales of construction materials.
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