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अंग्रेजी-हिंदी > deep mining उदाहरण वाक्य

deep mining उदाहरण वाक्य

उदाहरण वाक्य
31.In the United Kingdom coal is mined from 3 deep mines and 26 surface mines.

32.By the 1960s, the deep mines had closed.

33.From 1997 until 2003 he was the director of the Pennsylvania Bureau of Deep Mine Safety.

34.The last deep mine in South Wales closed when the coal was exhausted in January 2008.

35.A number of deep mines were constructed throughout the area including Llay, Gresford, Bersham and Johnstown.

36.One deep mine was to be dug five miles ( 8 kms ) from Belvoir Castle.

37.Deep mines were not required at first so there were a large number of small operations.

38.Deep mining, they add, will eventually go global.

39.With falling air pressure, gases trapped within the coal in deep mines can escape more freely.

40.Deep mining ceased in 1965 with the closure of Foxfield Colliery by the National Coal Board.

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