Ключевые слова: alarm, board, bulb, button, circuit, control, danger, device, electric, electrical, electrician, electricity, energy, engineer, equipment, factory, ferry, glowing, industrial, industry, light, lights, machine, machinery, maintenance, mediterranean, meter, old, panel, plant, power, room, security, ship, smart, spain, spanish, switch, switchgear, system, technical, technology, warning, work,