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Engineer and workman discussion and design of alternative energy at the modern office,solar panels,controller box and wind turbine model.green renewable energy and sustainability development concept.
electricity, gas, water, public utility icon set
An electrician on the background of high towers of power plants looks at the project for the development of an electrical structure, the expansion of the electrical voltage of volts in the wires
Miniature home and symbols of public utilities. Choosing a house to buy, assessing the cost and condition of the building. Location in the city. Repair and renovation, maintenance services.
high voltage post.High-voltage tower sky background.

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