Ключевые слова: abstract, aluminum, architecture, background, blank, building, business, closed, color, concrete, construction, design, door, doors, empty, entrance, factory, floor, frame, front, garage, gate, grunge, industrial, industry, iron, material, metal, metallic, modern, old, pattern, roller, rolling, room, security, shop, shutter, shutter door, steel, steel door, storage, store, striped, texture, textured, urban, wall, warehouse,