Ключевые слова: alarm, alarmsound, alert, alertness, building, burn, business, businessman, carbon, case, caution, closeup, danger, door, down, emergency, engineers, equipment, escape, evacuate, evacuation, exit, extinguisher, fire, hazard, house, human, indoors, interior, leave the room, light, new building, object, office, precaution, protection, rescue, run, safety, safety first, security, sign, smog, smoke, smoke cloud, smoke detector, staircase, stairs, work, young,