Ключевые слова: abstract, architecture, backdrop, background, barn, blank, blue, building, construction, container, corrugated, design, fence, galvanize, grunge, indigo, industrial, industry, iron, line, material, metal, metallic, modern, navy, outdoors, panel, pattern, plate, road, roof, roofing, sheet, siding, silver, steel, striped, structure, surface, texture, textured, urban, vintage, wall, wallpaper, zinc,