Ключевые слова: accident, alarm, alert, alertness, background, bell, blue, box, break, building, button, control, danger, emergency, equipment, escape, evacuation, fire, flame, handle, hazard, help, industrial, isolated, mounted, object, office, panel, press, prevent, prevention, protection, pull, push, red, rescue, safe, safety, security, service, sign, siren, sound, switch, symbol, system, urgency, wall, warning, white,