Ключевые слова: abstract, aluminum, anti, art, artistic, background, brown, checker, checkered, closeup, construct, construction, corrugated, covering, danger, design, dirty, durable, floor, grate, gray, grey, grunge, industrial, industry, iron, ironworks, maintenance, material, metal, metallic, nonslip, old, paint, pattern, plate, public, rough, rust, rusty, silver, slip, steel, step, strong, surface, texture, urban, wallpaper, worn,