… as an abrasive and as a refractory product; mixed with graphite it is used for lining electric furnaces or high … ). (3) Boron carbide (borocarbon). Obtained by treating graphite and boric acid in an electric furnace; hard …
… and synthetic precious or semi‑precious stones (rubies, sapphires, emeralds, amethysts, aquamarines, etc.), as a … Explanatory Note to Chapter 76). The dry hydroxide is an amorphous, friable white powder, insoluble in water; when …
… cutters, and by the toothing which is cut only on the periphery as with ordinary circular saws, whereas milling … by diamonds or by elements of metal carbides set around the periphery of the disc. Toothless discs fitted with abrasive … for cutting marble, quartz or glass) or with a series of peripheral inserts of abrasive material are, however, …
… and the cathode is, for example, of thionyl chloride, of sulphur dioxide, manganese dioxide or of iron sulphide. A nonaqueous electrolyte is used because of the … for supplying current for a number of purposes (for bells, telephones, hearing aids, cameras, watches, calculators, …
… 48.09 or 48.10. 4811.10 ‑ Tarred, bituminised or asphalted paper and paperboard ‑ Gummed or … : (a) Cellulose wadding impregnated or coated with pharmaceutical substances, etc., of heading 30.05 . (b) …
… books, address books and books, pads, etc., for entering telephone numbers. (2) Exercise books. These may simply … (6) Albums for samples or for collections (e.g., stamp, photograph). (7) Other articles of stationery such as …
… the odours to be overcome or other substances designed to physically absorb odours by, for example, Van der Waal’s … use in packings for retail sale, other than medical or pharmaceutical, whether or not sterile . * * * ANNEX …
… and dissolved elements such as manganese, silicon and phosphorus are oxidised and eliminated in the form of gas or … group are of metal, usually iron or steel. Ingot moulds of graphite or other carbon or of ceramic material are, …
… outer soles and the uppers (see General Explanatory Note, paragraphs (C) and (D)), of rubber (as defined in Note 1 to … (usually rubber or thermoplastics) is prepared with sulphur powder and passed through a press to produce a flat … final form before the sole is stuck to the upper, and its physical qualities are in no way modified by this operation. …
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