… properties. Wool is almost uninflammable, but chars giving off an odour akin to that of burnt horn. This heading covers … grease. (4) Frosted wool ‑ this has been subjected to a sufficiently low temperature to freeze the grease. The … salts, which destroys the vegetable matter but does not affect the wool fibres. Bleaching, dyeing or other processes …
… bacteria or mould) or chemically. This process is normally effected either by : (1) exposing the plant to dew or damp; … dried in the open air or mechanically. The fibres are then sufficiently loosened from the inner woody part of the plant … stock) . Tow consists generally of flax wastes of different qualities suitable for spinning; it consists …
… lathes (including turning centres)) which can carry out different types of machining operations on a single … by the automatic use, simultaneously or sequentially, of different unit heads working on a fixed position workpiece … or (c) by the automatic transfer of the workpiece to different unit heads (multi‑station transfer machines). (A) …
… fuel, or by electricity. The desire to obtain a more efficient heating effect, or quicker vaporisation from fuel-burning boilers has led to the production of boilers differing in structure. The main types are : (1) Firetube …
… (for example, because they are rapidly worn out, or because different types are necessary for different types of work). (A) AUXILIARY MACHINERY This group … needles, certain of which come into play according to the different perforations of the cards, actuate the mechanisms …
… is required to create a viewable image. There are many different types of cameras , but the conventional types … Variations in these essential features characterise the different kinds of cameras, such as : (A) Box cameras ; …
