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Tunnel Construction Methods and their comparison – Mining and Blasting

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In contrast with sequence mining, association rule learning typically does not consider the order of items either within a transaction or across transactions. Definition Example database with 5 transactions and 5 items ...

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Tunnel boring machine a safety first on coal mine - Australasian Mine Safety Journal

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Underground Mining Methods and Equipment - ENCYCLOPEDIA OF LIFE SUPPORT SYSTEMS (EOLSS)

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Roadheader - Wikipedia

A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track ...

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Mitsui S200 MA roadheader with the addition of an in-house designed rockbolting and shotcrete boom, underground at the Kestrel project. Redpath ...

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