Ключевые слова: abstract, attention, automation, background, black, circuit, click, close, construction, control, distribution, electric, electrical, electrician, electricity, electronic, energy, engineer, factory, green, high, industrial, industry, installation, manufacturing, metallic, object, off, panel, part, plastic, press, push, red, round, sign, signal, site, start, stop, switch, technical, technology, touch, voltage, white, work,