FABRICATED ASBESTOS FIBRES; MIXTURES WITH A BASIS OF ASBESTOS OR WITH A BASIS OF ASBESTOS AND MAGNESIUM CARBONATE; ARTICLES OF SUCH MIXTURES OR OF ASBESTOS (FOR EXAMPLE, THREAD, WOVEN FABRIC, CLOTHING, HEADGEAR, FOOTWEAR, GASKETS), WHETHER OR NOT REINFORCED, OTHER THAN GOODS OF HEADING 6811 OR 6813