Ключевые слова: accident, alarm, alert, background, bell, case, caution, chemical, danger, emergency, equipment, evacuation, extinguish, extinguisher, extinguishing, fighting, fire, flame, foam, hanging, help, home, hose, modern, object, office, pressure, protection, pump, red, rescue, safeguard, safety, security, sign, space, stairwell, system, wall, warning, work,