Ключевые слова: architectural, architecture, area, background, building, business, construction, contemporary, decorate, decoration, decorative, design, door, doorway, emergency exit, exterior, external, factory, fire exit, glass window, handrail, iron, ladder, material, metal, metal stairs, metallic, metalwork, modern style, natural light, office, outside, pattern, railing, safety, security, sheet, staircase, stairs, stairway, steel, steel constructions, steel stair, structure, sunlight, view, warehouse, white, window frame, workplace,