Explanatory notes
… for example : filters; discs; bearings; tubes and sheaths; worked bricks and tiles; moulds for the manufacture of small … to wear, as linings for pipes, belt-conveyors, chutes for coke, coal, ores, gravel, stone, etc. The heading also … with a basis of carbonaceous substances (graphite, coke, etc.) and coal tar pitch or clay ( heading 69.02 or …