Ключевые слова: background, button, close up, closeup, concept, control, design, electric, electrical, electricity, electronic, element, energy, equipment, home, household, icon, indoors, industrial, industry, isolated, light, modern, nobody, object, off, on off icon, onoff, panel, plastic, power, power button icon, push, pushing, safety, shutdown, sign, start, stop, supply, switch, switch system, symbol, technology, turn, turn off, turn on, utility, voltage, white,