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EquipmentMine - New and Used Mining Equipment Marketplace

EquipmentMine is a searchable database of new, used and surplus mining equipment and parts available for sale.

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Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

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