Ключевые слова: art, background, business, button, circle, computer, concept, control, design, electric, electrical, electricity, element, energy, flat, graphic, icon, illustration, internet, isolated, metro, modern, object, off, power, press, push, reboot, red, reset, restart, round, saving, shape, shutdown, sign, start, stop, style, switch, symbol, technical, technology, turn, web, white,