Ключевые слова: architecture, building, cement, concrete, construction, down, facilities, fence, fixture, flight, floor, footpath, ground, guardrail, handrail, high, ladder, material, metal, mount, multi, multiflight, new, nobody, outdoor, protection, rail, railing, safety, shining, shiny, stainless, stair, staircase, stairway, stairwell, steel, step, stepladder, straight, street, structure, tubular, two, up, urban, walkway, wood,