… A special type of compressor is the exhaust-gas turbocharger used in internal-combustion piston engines to … for compressing gases into gas cylinders; in chemical processes; for refrigerators, etc. and for compressing air …
… articles, most of which are used, directly or after further processing, for ornamental and decorative purposes. These … separating them from each other. Due to the manufacturing process, these pearls present two directly opposite openings …
… is recovered from its sulphide ores by a dry extraction process in which the powdered and concentrated ore is … ores and also for certain other ores and residues a wet process (leaching) is used (see Explanatory Note to … and architectural metalwork and chemical and food processing equipment. Certain grades of these alloys are …