Explanatory notes
… cruets, dishes (for serving, cooking, etc.), stew-pans, casseroles, trays, salt cellars, sugar sifters, knife-rests, … crystal, glass having a low coefficient of expansion (e.g., borosilicate glass) or of glass ceramics (the latter two in … colourless, coloured or of flashed glass, and may be cut, frosted, etched or engraved, or otherwise decorated, or of …