Ключевые слова: abstract, alloy, aluminium, aluminum, art, background, banner, black, chrome, closeup, dirt, dirty, durable, factory, hard, heavy, industrial, industry, iron, machine, macro, material, metal, monochrome, panel, plate, polished, rough, scratch, shape, sheet, shine, shiny, silver, sleek, space, stainless, steel, strong, style, surface, swirl, technology, texture, tile, titanium, tough, vintage, wall, wealth,