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2. Tunnel boring machine - Wikipedia

   en.wikipedia.org/wiki/Tunnel_boring_machine

   A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology. Tunnel boring machines are an alternative to drilling and blasting (D&B) methods and "hand mining".

3. Bertha (tunnel boring machine) - Wikipedia

   en.wikipedia.org/wiki/Bertha_(tunnel_boring_machine)

   Freighter Fairpartner carrying the disassembled tunnel boring machine into the Port of Seattle in April 2013. Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and was the world's largest earth pressure balance tunnel boring machine, [14] at a cutterhead diameter of 57.5 feet (17.5 m) across.

4. New tunnel boring machine named after environmental ... - AOL

   www.aol.com/tunnel-boring-machine-named...

   Rosie, the tunnel boring machine named after Akron's own Rosie the Riveter, has a sister coming to town later this year, and her name is Elaine.. Named after environmental advocate Elaine Marsh ...

5. The Boring Company - Wikipedia

   en.wikipedia.org/wiki/The_Boring_Company

   The boring machine in June 2019. The first boring machine used by TBC was Godot, a conventional tunnel boring machine (TBM) made by Lovat. [26] [27] TBC then designed their own line of machines called Prufrock. [28] Prufrock 1 was unveiled in 2020, and was used mostly for testing.

6. There’s trouble below at Elon Musk’s Boring Co. - AOL

   www.aol.com/finance/trouble-below-elon-musk...

   A tunnel boring machine sits at the bottom of a construction site during a media tour at the Las Vegas Convention Center, Friday, Nov. 15, 2019, in Las Vegas. Officials held an event Friday to ...

7. Category:Tunnel boring machines - Wikipedia

   en.wikipedia.org/.../Category:Tunnel_boring_machines

   Beck tunnel boring machine; Bertha (tunnel boring machine) M. Martina (tunnel boring machine) T. Tuen Mun–Chek Lap Kok TBM

8. Workers at Elon Musk’s Boring Co. accidentally dug ... - AOL

   www.aol.com/finance/workers-elon-musk-boring-co...

   Both incidents add to a series of safety episodes that have taken place since the Boring Company began work to expand its existing tunnel system—currently a 2.4-mile, one-way underground conduit ...

9. Martina (tunnel boring machine) - Wikipedia

   en.wikipedia.org/.../Martina_(tunnel_boring_machine)

   The Martina tunnel boring machine (officially named as the S-574. [1]) 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.