Ключевые слова: board, button, console, construction, control, device, display, electric, electrical, electricity, electronic, energy, engineer, equipment, factory, generation, industrial, industry, instrument, label, light, line, machine, manufacturing, measurement, monitor, network, off, on, panel, plant, power, production, safety, scale, selector, signal, station, supply, switch, switch control, system, technical, technology, turn, voltage, wall, work,