Ключевые слова: architecture, art, backdrop, background, blank, blue, boundary, build, closeup, construction, corrugated, corrugation, exterior, fence, gray, grey, grunge, hard, heavy, industrial, industry, iron, light, line, metal, metallic, modern, panel, pattern, plate, protect, reflect, rippled, roof, scaffold, scaffolding, sheet, shine, silver, site, steel, striped, surface, texture, textured, wall, wallpaper, zinc,