Ключевые слова: alarm, alert, automation, background, black, board, business, button, circuit, component, connection, control, conveyor, copper, current, danger, design, electricity, electronic, emergency, energy, equipment, factory, industrial, installation, machine, machinery, manufacturing, metal, modern, panel, power, processing, protection, push, red, safety, security, sign, stop, switch, system, technical, technology, voltage, warning, white, wire, worker, yellow,