Ключевые слова: architecture, background, building, business, construction, design, down, engineering, exterior, factory, floor, galvanized, galvanized metal, galvanized steel, gray, grid, handrail, industrial, industry, interior, iron, ladder, light, metal, metallic, modern, nobody, outdoor, perspective, petrochemical, rail, railing, safety, stainless, stair, staircase, stairs, stairway, stairwell, stalk, step, structure, support, technology, up, work,