4
Electricity; Electrical energy from renewable sources
7
Electricity generators; Construction machines
9
Apparatus, instruments and cables for electricity; Apparatus and instruments for controlling electricity; Apparatus and instruments controlling electricity; Apparatus and instruments for accumulating and storing electricity
37
Construction; Infrastructure construction; Construction of pipelines; Construction of public works; Public works construction services; Construction of hydroelectric factories; Construction of power plants; Hydro-electric factory construction; Underwater repair; Repair of turbines; Maintenance and repair of pipelines; Repair of water vehicles; Maintenance and repair of water vehicles
39
Distribution by pipeline and cable; Delivery of water; Distribution and supply of water; Distribution and transmission of electricity; Distribution of electricity; Distribution of energy; Distribution of renewable energy; Distribution of water; Electricity distribution; Electricity distribution and supply; Pipeline transport of liquids; Transport of water by pipeline
40
Electricity generation; Production of hydroelectric power; Production of electrical energy from renewable sources; Clean energy production
44
Rental of equipment for agriculture, aquaculture, horticulture and forestry