Uśmiechnięty inżynier tańczący z tabletem cyfrowym - Materiał filmowy & wideo

The employee of power plant in a uniform and white hardhat, standing between rows of photovoltaic panels looks in the camera and smiles

Medium shot of two electrical workers in hardhats connecting wires of solar panels at a solar farm

Maintenance engineer with project drawings at heat electric power station. Worker in red hard hat with engineering drawings near heating main pipeline at heat electric power station