… colouring matter and the base. (2) Dyeing the base with a solution of the colouring matter. (3) Intimate mechanical … carmine lake, generally obtained by treating an aqueous solution of cochineal extract with alum, and used mostly in …
… coated or cored with flux material; in the latter case, the outer part is usually composed of a tube or sometimes of a … be specially shaped for use, or in strip form suitable for cutting as required. The heading also includes wire and rods …
… of lubricants and for other industrial purposes, but it is mostly used as lanolin (its refined product) or … odour. Lanolin is very soluble in boiling spirit but insoluble in water, although it can absorb a large …
… are chiefly used for covering roofs, cupolas or archways, but are also used, usually in conjunction with concrete, for … a specific gravity not exceeding 0.5 (hence its use as a substitute for cork), and is easily drilled, sawn, filed, …
… type of floating dock functions in a similar manner, but is self‑propelled and equipped with powerful engines. … platforms which are similar to submersible platforms, but differ from them in that the submerged part does not …
… power of refraction, and is nearly as hard as diamond but rather brittle. Used extensively as an abrasive and as a … ). (b) Mixtures of metal carbides, not agglomerated, but prepared for the manufacture of plates, sticks, tips, …
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