Coal mining | Wikipedia audio article
This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Coal_mi...
00:01:03 1 History
00:02:26 2 Methods of extraction
00:04:38 2.1 Surface mining
00:06:19 2.1.1 Strip mining
00:08:07 2.1.2 Contour mining
00:09:50 2.1.3 Mountaintop removal mining
00:11:25 2.2 Underground mining
00:17:45 3 Production
00:19:20 4 Modern mining
00:19:57 5 Safety
00:21:17 5.1 Dangers to miners
00:21:26 5.2 Dangers from mining waste
00:26:51 5.3 Safety Improvements
00:27:23 6 Environmental impacts
00:28:47 7 Legality of coal mining
00:30:27 8 Coal mining by country
00:30:43 8.1 Australia
00:31:19 8.2 Canada
00:32:46 8.3 Chile
00:33:27 8.4 China
00:33:52 8.5 Colombia
00:35:37 8.6 Germany
00:37:39 8.7 India
00:38:45 8.8 Japan
00:40:36 8.9 Poland
00:41:23 8.10 Russia
00:41:32 8.11 Spain
00:41:59 8.12 South Africa
00:43:01 8.13 Taiwan
00:43:19 8.14 Ukraine
00:44:12 8.15 United Kingdom
00:44:59 8.16 United States
00:46:21 9 See also
00:49:20 10 Notes
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Voice name: en-US-Wavenet-A
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SUMMARY
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Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine - a pit, and the above-ground structures - a pit head. In Australia, "colliery" generally refers to an underground coal mine. In the United States, "colliery" has been used to describe a coal mine operation but nowadays the word is not commonly used.
Coal mining has had many developments over the recent years, from the early days of men tunneling, digging, and manually extracting the coal on carts to large open cut and long wall mines. Mining at this scale requires the use of draglines, trucks, conveyors, hydraulic jacks and shearers.
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