Section 15 Base metals and articles of base metal 83 Miscellaneous articles of base metal 83 09 Stoppers, caps and lids (including crown corks, screw caps and pouring stoppers), cap 83 09 90 Top ends of aluminium cans 83 09 90 20 Top ends of aluminium cans Commodity Code Description 83 09 90 20 00 Top ends of aluminium cans