25070020 - Kaolin
84834025 --- Worm gear
11042340 --- Hulled (shelled or husked), whether or not sliced or kibbled; pearled
84552100 -- Hot or combination hot and cold
52063400 -- Measuring per single yarn less than 192,31?decitex but not less than 125?decitex (exceeding 52?metric number but not exceeding 80?metric number per single yarn)