- impurities of seam
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примеси пласта
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… … Universalium
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
History of the petroleum industry in Canada (natural gas) — Natural gas has been used almost as long as crude oil in Canada, but its commercial development was not as rapid. This is because of special properties of this energy commodity: it is a gas, and it frequently contains impurities. The technical… … Wikipedia
Textile manufacturing terminology — The manufacture of textiles is one of the oldest of human technologies. In order to make textiles, the first requirement is a source of fibre from which a yarn can be made, primarily by spinning. (Both fibre and fiber are used in this article.)… … Wikipedia
Glossary of textile manufacturing — For terms specifically related to sewing, see Glossary of sewing terms. For terms specifically related to dyeing, see Glossary of dyeing terms. The manufacture of textiles is one of the oldest of human technologies. To make textiles, the first… … Wikipedia
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Window shutter hardware — Window Shutter Hardware> Overview A series of documents are provided here to further explain terms and terminology related to shutter hardware and blacksmithing, as well as the evolution of early hardware.A Brief History of Early Hardware In its… … Wikipedia
textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 … Universalium
Environmental effects of coal — There are a number of adverse environmental effects of coal mining and burning.These effects include: * release of carbon dioxide and methane, both of which are greenhouse gases causing climate change and global warming according to the IPCC.… … Wikipedia
Walter Coffin — (1784 15 February, 1867) was a Welsh coalowner and Member of Parliament. Coffin is recognised as the first person to exploit the rich coal fields of the Rhondda Valley on an industrial scale, pioneering the growth of one of the most wealthy coal… … Wikipedia