… of air currents, and grade the seed or grain according to weight, size or shape. Some seed selectors, etc., … machines , whether or not incorporating heating or weighing apparatus. The heading also includes combined …
… Only machines and apparatus which, by reason of their special equipment (for example, a system for feeding … . The source of heat is an electric arc struck either between two electrodes or between one such electrode …
… 2 ). Obtained by the oxidation of sulphur dichloride with either sulphur trioxide or sulphuryl chloride. Colourless … 2 ). Obtained by the action of chlorine on sulphur dioxide either on exposure to sunlight or in the presence of a …
… Ammonium carbonate is used as a mordant in textile dyeing or printing; as a detergent for wool; an expectorant … industry; in the manufacture of washing preparations; in dyeing; in the tin‑sizing of silk (with stannic chloride); …