… on to a paper support) ( heading 84.20 ), bending, folding, straightening or flattening machines ( heading 84.62 ) are … of bars, rods, angles, shapes, sections, girders, railway rails). (C) Rolling tubes. (D) Rolling of wheel …
… - Cumene 2902.90 - Other Cyclic hydrocarbons are compounds containing only carbon and hydrogen which have at least one … the polymethylene and naphthene hydrocarbons found in certain petroleum oils; examples are : (a) Cyclopropane (C … (C 10 H 18 ), a colourless liquid used as a solvent for paints and lacquers, for polishes, etc. (b) Bridge-linked …
… is sodium carbonate ( heading 28.36 ). Sodium hydroxide is obtained, for example, by causticising sodium carbonate with … in water; it must therefore be kept in well‑sealed steel containers. It is a powerful base with many industrial … agent in organic synthesis, or for purifying confined air (e.g., in submarines). When mixed with catalysts (traces …
… oxygen hetero-atom(s) only (+). - Compounds containing an unfused furan ring (whether or not … odour; it turns yellow and then brown when exposed to air. Used in the purification of mineral oils, for the … alcohol* . Colourless liquid which darkens when exposed to air. Reacts vigorously with concentrated mineral acids. Used …
… Web formation Four basic methods exist : (a) by carding or air‑laying fibres in order to form a sheet. These fibres may be parallel, cross or random oriented (dry‑laid process); (b) by extruding filaments which are … fibres. This may be achieved by means of high pressure air or water jets. It may also be achieved by needling but …
… large powerful motors for rolling mills, etc. Motors remain classified here even when they are equipped with … such synchronous motors also associated with a clock train are excluded ( heading 91.09 ). (B) Linear motors … of the secondary. The two members are separated by an airgap, and the translational motion (one member remaining …
… mileometers and the like ( heading 90.29 ). (d) Levels (air bubble type, etc.) used in building or constructional … special types of anemometers, for measuring the speed of air currents in mines, tunnels, chimneys, furnaces or other air passages, consisting essentially of a special type of …
… in the husk ( paddy or rough rice ), that is to say, rice grain still tightly enveloped by the husk. (2) Husked ( … enclosed in the pericarp. Husked rice almost always still contains a small quantity of paddy. (3) Semi‑milled rice , that is to say, whole rice grains from which the pericarp has been partly removed. …
… consumption . The cochineal is an insect which lives on certain cactus plants. There are three kinds of cochineal on … (ii) Salted roes (e.g., of cod or mackerel) used as fishing bait. These can be distinguished from caviar substitutes ( … This category covers, inter alia : (i) Scales of whitebait or of similar fish, fresh or preserved (but not in …
… (C) Shellac , also known as sheet, plate, or slab ‑ lac, obtained by fusion and filtering which purifies the gum. It … sometimes put up in the form of twisted hanks. The sap of certain oriental trees which hardens, forming a resistant film when exposed to air (known as “Japan lacquer”, “Chinese lacquer”, etc.), is …
