6 Metal Foil, Metal Foil Containers, Metal Foil Laminated to Paper and Paperboard, Metal Extrusions, Metal Conduit, Metal Tread Plate, Aluminum Wire, Aluminum Strip, Aluminum Shapes, Aluminum Rod and Bar, Aluminum Tube, Aluminum Ingot, Aluminum Slab, Sheet and Plate, Aluminum Castings and Billets, Aluminum-Plastic Composites, Coated Aluminum, Air Cargo Containers, Windows, Building Walls and Parts Thereof, Guard Rails, Floating Covers or Surfaces for Use in Liquid Storage Tanks for the Prevention of Evaporation of Liquids Therein, Screw Machine Stock, Metal Ladders, Door Closers, Door Hardware