Suggest 2 reasons for using underground mining
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These benefits include low-cost, reliable electricity and the materials necessary to build our homes, schools, hospitals, roads, highways, bridges and airports.
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Underground mining is used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the surface to an underground mine may be through a horizontal or vertical tunnel, known as an adit, shaft or decline.
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