Ecological use of electricity. windmills in the backgroundEcological use of electricity. Windmills in the background
Electric light bulb as a symbol of light in the darkElectric light bulb as a symbol of light in the dark
Environmentally friendly generation of electricityEnvironmentally friendly generation of electricity
A male electric welder in a mask cooks a part sparks flyA male electric welder in a mask cooks a part sparks fly