… catalyst); as chemical apparatus (e.g., crucibles); in the aircraft industry for electrodes of sparking plugs for … alloys used for thermocouples, crucibles, or electrodes for aircraft-engine sparking plugs. (E) Osmium which is the …
… glass articles, most of which are used, directly or after further processing, for ornamental and decorative … glass in small moulds traversed by a thin copper tube. After cooling, the metal is dissolved in nitric acid; the …
… plates, bars, rods, etc. The blocks and plates are used, after cutting and high‑finish machining (fine tolerances and … x 100 x 35 mm or 150 x 70 x 30 mm. They are mainly used, after cutting and high‑finishing machining (fine tolerances …
… tiles, sanitary ware, etc.), and classification is not affected by the nature of the ceramics used in their … provided that they retain the character of building bricks after separation. All these bricks, especially those …
… Harrows which are mainly used for breaking up the soil after ploughing. In the toothed harrow the teeth are fitted … which are used for working, weeding or smoothing the soil after ploughing, or during the growth of the crops. These …
… weaving two fabrics with a common pile thread which is cut after weaving to form two pile carpets (face‑to‑face … by the ends, several centimetres in length, which remain after the weft threads have been broken off. The weft …
