About Martina

The Martina tunnel boring machine is a hard rock tunnel boring machine built by Herrenknecht AG. It is the largest hard rock tunnel boring machine in the world and has been used for drilling the Sparvo Tunnel, a part of the larger Variante di Valico project in Italy.

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Martina

tunnel boring machine

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About Martina

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Facts from Wikidata (CC0).

Not who you're looking for? Others named Martina: Irish professional wrestler and valet · 2003 album by Martina McBride · family name · Byzantine empress