Ключевые слова: abstract, architecture, background, blue, boundary, build, closeup, construction, corrugated, corrugation, design, detail, exterior, fence, graphic, green, grunge, industrial, industry, iron, line, material, metal, metallic, modern, panel, pattern, plate, protect, rippled, roof, sheet, silver, site, steel, striped, structure, surface, technology, texture, textured, tile, urban, vertical, wall, wallpaper, zinc,