… of oxygen or compressed air) or may be connected by a hose to compressors, compressed air supply pipes, storage cylinders or (in the case of certain short distance apparatus) the outside atmosphere. This … 90.18 ). (d) Divers’ respiratory masks of a kind used without oxygen or compressed air bottles, and simple …
… resins, in organic synthesis, etc. It should be noted that the mineral or chemical products … pure), or of urea (whether or not pure), or of mixtures of those products, in an aqueous or ammoniacal solution. It should be noted that, contrary to the case of paragraph (A) …
… acids (hydrochloric, sulphuric, hydrofluoric , nitric, phosphoric, etc.), and sometimes contain inhibitors which restrict the corrosion of the metal. Some, however, have a basis of alkalis (e.g., sodium hydroxide). …
… for processing into refined sugar products. Raw sugar may, however, be of such a high degree of purity that it is suitable for human consumption without refining. Refined cane or beet sugars are produced … slow crystallisation of concentrated solutions of sugar. It should be noted that cane and beet sugar fall in this …
… for raising plants). Textile articles of peat fibre are, however, excluded ( Section XI ). (4) Unfired bricks made … Paving blocks and slabs obtained by moulding fused slag without a binder, but excluding those having the character of heat-insulating goods of …
… the case of welded articles, the abutting edges are welded without filler metal by flash‑welding, by electrical … * * The heading does not cover : (a) Tubes, pipes and hollow profiles, of heading 73.03, 73.04 or 73.06 . (b) … rolls and electric welding by resistance or induction without the addition of metal. After welding there is no …
… so that in general these weft threads do not cross the whole width of the fabric; thus along each line of weft the … of the design. Unwoven gaps left in the warp through this method of weaving are usually reinforced by sewing. Such … mainly for furnishing purposes, as wall coverings or for upholstering chairs, etc., and are usually made of silk, …
… and radio valves; elements for electric furnaces; anti‑cathodes for X‑ray tubes; electric contacts; non‑magnetic … of tungsten (usually as ferrrotungsten, see Chapter 72) is, however, in the preparation of special steels. It is also … mixed with carbides of molybdenum or tantalum, with or without a binding agent) in heading 38.24 . (c) Plates, …
… By agglomerating parings and small waste pieces of leather without a binder under strong compression. (3) By breaking … down parings and waste into thin fibres by heating in hot water (without binders, like paper); the pulp thus obtained is …
… put up in sterile packings which may bear indications as to method of use, etc. The heading excludes : (a) Glands and … amino-acids ( heading 29.22 ), vitamins ( heading 29.36 ), hormones ( heading 29.37 ). (d) Human blood, animal blood …