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What is Underground Mining Shaft Operations about?

The mine shaft is a vertical or inclined underground structure that connects the mine with the surface and is used for access, ventilation, transportation, and services. It can serve functions such as mineral extraction, entry and exit of personnel and machinery, ventilation, or passage of conduits. Generally, it fulfills several functions at once, especially ventilation. It usually has a circular cross-section to better withstand the pressure of the surrounding terrain, and its walls are lined with concret

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