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coal-work

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1
What is coal used for? | U.S. Geological Survey - USGS.gov
The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity. www.usgs.gov
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Coal explained - U.S. Energy Information Administration (EIA)
Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy ... www.eia.gov
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Coal mining - Wikipedia
Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely used ... en.wikipedia.org
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coal-work
ˈcoal-work † 1. Drawing in carbon or crayon. Obs.1651 G. Daniel Eclog. Let., You may iudge Draughts sometimes in Cole-Works, to hit the Naturalitie of Lines Studied by finer Pencills. 2. A place where coal is worked or mined; a colliery. Usually pl. (Cf. ironworks.)1665 D. Dudley Metallum Martis (18... Oxford English Dictionary
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How a Coal Plant Works - Tennessee Valley Authority
Coal-fired plants produce electricity by burning coal in a boiler to produce steam. The steam produced, under tremendous pressure, flows into a turbine. tva.com
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How Coal Works | Union of Concerned Scientists
Coal is formed when dead plant matter submerged in swamp environments is subjected to the geological forces of heat and pressure over hundreds of millions of ... www.ucs.org
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Hours of Work (Coal Mines) Convention, 1931
Hours of Work (Coal Mines) Convention, 1931 was an International Labour Organization Convention. It was established in 1931: The convention was never brought into force. Revision The principles of the convention were subsequently revised by ILO Convention C46. Withdrawn The convention was never brou... wikipedia.org
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Coal Jobs, Employment in Evansville, IN | Indeed
22 Coal jobs available in Evansville, IN on Indeed.com. Apply to Mechanic, Full Stack Developer, Operator and more! www.indeed.com
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Coal's Importance to the World
Coal is the most abundant source of electricity worldwide, currently providing more than 36% of global electricity. www.smenet.org
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What Is Killing the US Coal Industry?
Coal production in the United States has declined recently after a half century of growth, and employment in the coal industry has dropped for years. siepr.stanford.edu
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Coal in Colorado | Department of Labor & Employment
And generations of Colorado workers and their families have been proud to make their livings powering our prosperity by mining, transporting, and burning coal. ... cdle.colorado.gov
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Hours of Work (Coal Mines) Convention (Revised), 1935
Hours of Work (Coal Mines) Convention (Revised), 1935 was an International Labour Organization Convention that never came into force and was withdrawn. It was established in 1935, with the preamble stating: The convention did not come into force. Modification The principles contained in the conventi... wikipedia.org
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judge
▪ I. judge, n. (dʒʌdʒ) Forms: 4–6 iuge, 4–5 iugge, (4 iug, 5 iewge, ioge), 6–7 iudge, (7–8 judg), 7– judge. [ME. a. OF. juge = Pr. jutge; cf. Sp. juez, It. judice:—L. jūdicem (nom. jūdex), f. jū-s right, law + -dic-us speaking, speaker. The F. and Pr. forms do not phonetically represent L. jūdicem, ... Oxford English Dictionary
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work
▪ I. work, n. (wɜːk) Forms: α. 1—4 weorc, 2–4 weork(e, (3 Orm. weorrc, weorrk-). β. 1–4 werc, (3 wærc, wærk, Orm. werrc), 3–6 werk(e, (4 -cke, -kke, 5 wherk, 6 Sc. verk); Sc. and north. 4 warc(ke, vark, 4–7 warke, 4– wark. γ. 1 wyrc, 1–2 wurc, 3 wurck, wurk, (5 wrke); 4 wirke. δ. 1–3 worc, 3–7 worke... Oxford English Dictionary
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兆焦耳到吨煤当量转换表：兆焦耳到吨煤当量（MJ到TCE）计算器
从兆焦耳到吨煤当量的转换. 公式 7633 MJ = 7633 / 29307.6 TCE = 0.26044 TCE. 吨煤当量 to 兆焦耳.
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