aluminum sulphite

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Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… … Wikipedia
Fiber — For other uses, see Fiber (disambiguation). A bundle of optical fibers Fiber (also spelled fibre) is a class of materials that are continuous filaments or are in discrete elongated pieces, similar to lengths of thread. They are very important in… … Wikipedia
Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… … Wikipedia
Pulp mill — or non bleached, depending on the customer requirements.Wood and other plant materials used to make pulp contain three main components (apart from water): cellulose fibres (desired for papermaking), lignin (a three dimensional polymer that binds… … Wikipedia

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