… include : (1) Gold-silver alloys , varying in colour from yellow through green to white, according to the … it contains 2 % or more, by weight, of gold. It is obtained from certain cupriferous pyrites or from residues derived from the processing of blister copper …
… video images and sound, by transferring the digital code from an automatic data processing machine (e.g., digital … a disc. Video recording apparatus which receive signals from a television receiver also incorporate a tuner which … selection of the desired signal (or channel) from the frequency band of signals transmitted by the television …
… tiles; ceiling or wall mesh or lath (consisting of a wire framework combined with a predominating proportion of … sleepers; hovertrain guide-track sections; door or window frames; mantelpieces, window sills, door steps; friezes, cornices; vases, flower-pots, architectural or …
… covers compounds derived directly by chemical treatment from mixtures of the elements. This means that the heading … since these examples are not compounds derived directly from mixtures of elements, but are mixtures of compounds … Ceric oxide, a white powder insoluble in water, is obtained from cerium nitrate; it is used as an opacifier in ceramics, …
… They are used in place of smooth metal bearings and enable friction to be considerably reduced. They are generally … a grooved cylinder, a ball cage and a housing. (3) The free‑travelling type, of steel, comprising a segment, a … etc.). (C) Needle roller bearings . These differ from ordinary roller bearings in that they are bearings with …
… purpose. Tyre flaps are used to protect the inner tube from the metal rim or spoke ends. The heading excludes solid … and 4012.19, the expression “retreaded tyres” covers tyres from which the worn tread has been removed from the tyre carcass and to which a new tread has been …
… as surface-active agents and are therefore excluded from this heading. Organic surface-active agents may be : … or resin acids; sulphates and sulphonates derived from fatty alcohols; petroleum sulphonates, e.g., of alkali … cleaners specially formulated for cleaning sanitary ware, frying-pans, etc., e.g., those containing sodium hydrogen …
… of tides, ground‑swells, etc.). The maps, etc., are plotted from photographs or digital images taken from two different viewpoints a known distance apart, which … the intensity of solar rays or the total radiation received from the sky. It should, however, be noted that the heading …
… etc.). These are usually made of : (1) Catgut (generally from the intestines of sheep). Catgut strings are made up of … to in (B) and (C) above, but not loudspeakers and audio‑frequency amplifiers ( heading 85.18 ) nor , generally … keyboards (i.e., a complete set of keys mounted on a frame); piano mechanisms (i.e., key‑actions with associated …
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