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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. The Boring Company - Wikipedia

   en.wikipedia.org/wiki/The_Boring_Company

   The Boring Company (TBC) is an American infrastructure, tunnel construction service, and equipment company founded by Elon Musk. TBC was founded as a subsidiary of SpaceX in 2017, and was spun off as a separate corporation in 2018.

5. Tuen Mun–Chek Lap Kok TBM - Wikipedia

   en.wikipedia.org/wiki/Tuen_Mun–Chek_Lap_Kok_TBM

   The Tuen Mun - Chek Lap Kok TBM otherwise known as Qin Liangyu or more formally, the Mixshield S-880 was the world's largest tunnel boring machine launched in June 2015 by Herrenknecht in Germany. [1] [2] The TBM was used to drill a 5 km tunnel connecting Tuen Mun to the Hong Kong International Airport, part of the Tuen Mun–Chek Lap Kok Link ...

6. Tunnel construction - Wikipedia

   en.wikipedia.org/wiki/Tunnel_construction

   Tunnel boring machines and associated back-up systems are used to highly automate the entire tunnelling process, reducing tunnelling costs. In certain predominantly urban applications, tunnel boring is viewed as quick and cost effective alternative to laying surface rails and roads.

7. ‘We have consistently flirted with death’: Elon Musk wanted ...

   www.aol.com/finance/consistently-flirted-death...

   Boring’s Las Vegas tunneling crew began working on a tunnel from the convention center to the Westgate, a hotel one block off the Las Vegas Strip. Another tunnel would go to the Wynn and Encore ...