Ключевые слова: access, architecture, back, background, banister, building, climb, construction, danger, details, door, down, emergency, escape, evacuation, exit, external, factory, fighter, fire, framework, help, house, iron, metal, modern, new, outdoor, outside, protection, railing, rails, rescue, safe, safety, save, staircase, stairs, stairway, steel, steps, street, tilt, up, wall, zigzag,