… small proportion of heavy tar oils. It is black or brown in colour and may be soft or brittle. It is used in the … of electrodes, road tars, waterproofing mixtures, for agglomerating coal‑dust, etc. Pitch which has been slightly modified by air‑blowing is similar to unblown pitch and remains in this …
… brittle and easily powdered. It has very few uses in the unalloyed form. It is however alloyed, especially with lead and tin, to harden them, to produce bearing alloys, printers’ type and other casting alloys, pewter, …
… heading includes, inter alia , prepared mixtures of the following types : (A) Lubricating preparations designed to … release preparations . These are preparations intended for loosening bolts, nuts or other parts. They generally …
… (4) De-super-heaters . These are used to prevent the development of too high a temperature in the super-heaters. … iron body into which the steam is passed and cooled by a flow of water. (5) Steam collectors . Cylindrical bodies … time pre-heating the feed water. (9) Soot removers (soot blowers), automatic or not. These remove soot and similar …
… this heading. The goods of this heading are made up of the following elements : (A) A conductor ‑ this may be single … (4) Insulated aerial cables . (5) Cables for permanent long‑distance connections often with channels for filling … (7) Cables for use in mine shafts ; these have a longitudinal armouring to withstand the effects of tension. …
… of their weight . This group consists of the following only : (1) Floor polishers (whether or not with a waxing attachment, … after scrubbing . (2) Appliances for spraying polish on to floors before polishing. These are usually fitted with …
… ethyl alcohol or distilled spirits, with one or more of the following : fruits, flowers or other parts of plants, extracts, … Spirits obtained by distillation of the fermented juice of locust beans. (13) Alcoholic aperitives (absinth, bitters, …
… covering of the nut and are coarse, brittle and brown in colour. They are classified here whether in the mass or in … woody part, the ramie then being obtained in the form of long ribbons. Decortication is followed by a process (generally by boiling in alkali) to …
… have only a single stage of magnification of relatively low power, the compound optical microscope of this heading … incorporates provision for illuminating the object from below (by means of a mirror illuminated by an external or an … a standard article); co‑ordinate reading microscopes (for locating the position of clock or watch parts); tool‑makers’ …
… and epitaxial layers. The processes and equipments listed below are not necessarily limited to the generation of a … reaction. Operations may take place at atmospheric or low pressure (LPCVD) and may use plasma enhancement (PECVD). … on an entire wafer before dicing. (3) lifting, handling, loading or unloading of boules, wafers, semiconductor …
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