… together. In impregnation the wood is deeply impregnated, usually with thermosetting plastics or with molten metal. … out simultaneously by glueing very thin sheets of wood (usually beech) with thermosetting plastics under heavy …
… remove the shorter fibres (noils). The combed sliver is usually wound in coils or balls, known as “tops”. Tops are … up the tow into staple fibres and eliminate carding or, usually, both carding and combing. Slivers, whether produced …
… here are made in widely different forms; they are usually of metal (including precious metal), wood, plastics, … and feet. The heading excludes : (a) Protective covers, usually of glass, presented separately ( heading 70.20 ). …
… (1) Mechanical lighters . These produce sparks, usually by means of a wheel with a milled‑edge which is … (3) Chemical lighters . In these a catalyst (usually sponge platinum) is made to glow by catalytic action …
… by various processes, e.g., line‑engraving, dry‑point, aquatint (acid process) or stipple‑engraving. Original … but the relatively small number of impressions and the quality of the paper may be useful guides in determining …
… transmission of power or the conveyance of goods. They are usually woven or plaited from yarns of wool, cotton, … or apparatus for which they are designed, whether or not actually mounted (classified with that machine or apparatus …
… any other weave whatever their relative proportions. These usually have the effect of stripes running warpwise, checks or other varied designs. Gauze is usually loosely woven and therefore lightweight; it is …
… construction, are intended to be used repeatedly. The more usual type, which may be of wood or metal, consists of a … glassware, ceramics, etc., or for live animals. Containers usually vary in size from 4 to 145 m 3 capacity. Certain …
… means devices regulated by a balance‑wheel and hairspring, quartz crystal or any other system capable of determining … . Alarm clocks are equipped with a striking mechanism (usually with the clock case acting as gong) which is set off …
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