Ключевые слова: board, button, buttons, center, component, console, control, controller, display, distribution, electric, electrical, electricity, electronic, electronics, energy, engineer, equipment, factory, fuse, generation, industrial, industry, instrument, light, machine, machinery, manufacturing, microphone, nuclear, old, panel, plant, power, security, soviet, speaker, station, switch, switcher, system, technical, technology, terminal, toggle, toggle switch, tool, unsafe, voltage, work,