Films, foils, and lengths thereof made of metals, namely, aluminum, and aluminum alloys; multi-layer films, foils, and lengths thereof made mainly of metals, namely, aluminum, and aluminum alloys, in combination with at least one layer of nonmetallic materials, namely, plastics, layers of lacquer and paper; multi-layer films, foils, and lengths thereof made mainly of metals, namely, aluminum, and aluminum alloys, in combination with at least one layer of non-metallic materials, namely, plasti...