| 1. | The first tunnel boring machine was symbolically launched on 8 December 2015.
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| 2. | Eleven giant satellite-guided boring machines dug the passages from 1987 to mid-1991.
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| 3. | The contractors used a tunnel boring machine manufactured by Mitsubishi Heavy Industries.
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| 4. | Outside the cafe at the Chunnel exhibition center is a leftover tunnel-boring machine.
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| 5. | For these he developed a boring machine, which he later patented.
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| 6. | The tunnel boring machine at Milepost 31, the tunnel project information center ]]
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| 7. | Boring machines come in a large variety of sizes and styles.
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| 8. | Meanwhile, the tunnel boring machine dug at a rate of approximately per day.
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| 9. | It is the worldwide market leader for heavy tunnel boring machines.
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| 10. | East end construction began in August 1994 with a customized tunnel boring machine.
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