Ключевые слова: alarm, below, blue, bottom, building, business, cage, capacity, center, circle, construction, design, emergency, escape, evacuation, exit, exterior, factory, fire, glass, high, house, industrial, industry, ladder, long, metal, modern, outdoor, rescue, roof, safety, save, side, sidewall, sky, spare, special, staircase, stairway, standby, steel, structure, trouble, up, urban, urgent, view, wall, workplace,