Ключевые слова: accident, alarm, alarms, alert, alertness, assistance, background, button, control, danger, disaster, electric, electrical, emergency, evacuation, factory, fire, help, icon, incident, industry, key, launch, machine, manufacture, object, off, panic, plastic, power, press, prevention, protection, push, red, rescue, reset, response, safety, security, shutdown, sign, start, stop, switch, symbol, system, technology, white, work,