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[email protected]. Улаанбаатар, Сүхбаатар, 1-р хороо, Жамъян гүний гудамж, Ай Си Си тауэр 7 давхар 701 тоот. +976 -70704938.
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Shaft sinking methods were an important aspect of the mining engineer's education at this time because a successful shaft sinking project was essential in the development of mining properties. Although published in the mid-1800s, the book Die Bergknappen, by Peter Heuchler, illustrates the typical life of a miner during the latter …
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