Ключевые слова: abstract, background, bolt, bolts, building, circle, circles, cover, detail, energy, engine, factory, geometric, geometry, grunge, grungy, hangar, harmony, house, industrial, industry, iron, line, lines, machine, manufacture, manufacturing, metal, mill, paint, peel, peeling, plant, power, rust, rusty, steel, texture, tin, train, wallpaper, warehouse,