Ключевые слова: abstract, alloy, aluminum, backdrop, backgrounds, construction industry, dark, design, detail plan, dirty, gray, grid, grunge, industry, iron appliance, iron metal, material, metal, metallic, modern, obsolete, old, pattern, plate, rough, sheet, silver metal, silver colored, sparse, steel, surface level, surrounding wall, texture, texture metal, textured, textured effect, under, wallpaper, wallpaper pattern,