Nuts of metal; Wrought iron decorative artwork; Small items of metal hardware, namely, high security locks and sheet metal plates primarily for the casino and gaming industry; Tool boxes of metal, empty; Metal vent covers for roof deck protrusions, drains and pitch pans; Rivets, cramps and nails of metal; Aluminium and its alloys; Aviaries of metal; Common metal bands for the identification of birds; Metal bicycle locks