Ключевые слова: background, binary, black, blue, button, circle, concept, control, dark, electric, electrical, element, emergency, energy, equipment, green, grey, hand, industrial, industry, isolated, light, machine, metal, metallic, off, on, one, onoff, play, power, push, red, sign, signal, start, stop, success, switch, symbol, system, technology, texture, toggle, vintage, white, work, worker,