Ключевые слова: abstract, backdrop, background, barrier, blue, building, color, construction, corrugated, day, design, detail, exterior, fence, free space, graphic, grunge, industrial, industry, iron, line, lines, material, metal, metallic, modern, outdoor, outdoors, panel, pattern, plate, profile, protection, retro, roof, roofing, sheet, steel, striped, structure, surface, technology, text free space, texture, textured, urban, vertical, vintage, wall, wallpaper,