Ключевые слова: aluminum, backdrop, backgrounds, black, chrome, closeup, cold, dark, diagonal, dirty, gears, grey, groves, grunge, grungy, hard, heavy, industrial, industry, iron, ironworks, machinery, machines, mechanical, metal, metallic, old, pattern, rough, shiny, silver, steel, strong, surface, texture, textured, tough, treads, used, wall, wallpaper, worn,