8421            |    Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases.
8421.11.00     -- Cream separators
8421.12.00     -- Clothes-dryers
8421.19.00     -- Other
8421.21.00     -- For filtering or purifying water
8421.22.00     -- For filtering or purifying beverages other than water
8421.23.00     -- Oil or petrol-filters for internal combustion engines
8421.29.00     -- Other
8421.31.00     -- Intake air filters for internal combustion engines
8421.39.10         --- Industrial filtering or purifying machinery and apparatus for gases
8421.39.90         --- Other
8421.91.00     -- Of centrifuges, including centrifugal dryers
8421.99.00     -- Other