Electric towers on the background of the setting sunElectric towers on the background of the setting sun
Wind generator against the sky dandelions soap bubblesWind generator against the sky dandelions soap bubbles
A fast motorcycle designed specifically for racingA fast motorcycle designed specifically for racing
Величина, к-рой определяется количество энергии, развиваемой двигателем. Производственные объекты (заводы, машины и т. п.).