Ключевые слова: accident, alarm, alert, background, board, button, caution, control, controller, danger, disconnect, electric, electrical, emergency, equipment, factory, function, help, industrial, industry, interrupt, machine, machinery, manufacturing, mechanical, modern, off, panel, panic, plant, power, press, prevention, production, protection, push, red, round, safety, security, shutdown, sign, stop, switch, switchboard, technical, technology, work, worker, yellow,