… followed by separation (which may be magnetic) with a view to obtaining a high density product that is fairly … excludes , for example, structural steelwork usable after renewal of worn‑out parts; worn railway lines which are …
… with juice. (ii) Continuous presses in which an endless screw mechanism feeds the grapes into the machine and … base plate juice collectors (“maies”) for wine presses; screw heads, pressing plates and frames for wine presses, …
… it is dangerous to inhale and to handle. It is presented in stoneware, metal or glass containers encased in straw or … Volatilises without melting. Used for the manufacture of fireworks (mixed with potassium nitrate and sulphur), in …
… which enables the button to be secured to a garment without sewing. Other types (e.g., “bachelor buttons”) are affixed … mechanism. Such fasteners and studs may be designed for sewing on garments, etc., or they may be attached by …
… oil or vinegar cruets, dishes (for serving, cooking, etc.), stew-pans, casseroles, trays, salt cellars, sugar sifters, … ), aquaria, incense burners, etc., and souvenirs bearing views. These articles may be e.g., of ordinary glass, lead …
… threaded or tapped at the ends to enable them to be screwed into position. (B) Carbon welding electrodes . … and the faces are carefully machined to tolerances of a few hundredths of a millimetre. They can therefore be …
… to the aeration process. The active yeasts include : (1) Brewery yeast . This forms in beer fermentation vats. It is … Inactive yeasts , obtained by drying, are generally brewery, distillery or bakers’ yeasts which have become …
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