Ключевые слова: automated, blackboard, board, box, business, button, cables, center, closeup, communications, component, connect, connection, control, distribution, electric, electrical, electricity, electronics, energy, equipment, fuse, indicator, industry, light, line, machine, macro, manufacturing, metal, order, panel, plank, plug, power, row, safety, security, sign, socket, station, steel, supply, switch, technical, technology, voltage, wall, wire,