Ключевые слова: abstract, aluminum, backdrop, background, bent, black, cold, construction, design, gray, grey, grid, hard, heavy, industrial, industry, iron, level, long, material, metal, metallic, modern, panel, pattern, plate, roof, shape, sheet, shine, shiny, stainless, strong, surface, technology, texture, textured, up, wall, wallpaper, way, zinc,