Explanatory notes
… sharpening , trueing or sometimes for the cutting of metals, stone, glass, plastics, ceramics, rubber, leather, … of a circle, in the form of a knife blade, oblong with tapered ends), and may be square, triangular, round, half … include : (a) Perfumed pumice stone put up in blocks, tablets or similar prepared forms of heading 33.04 . (b) …
