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Việt Nam: Second TBM start to bore Nhổn - Hà Nội tunnel

Tunnel Boring Machine "Táo bạo" bore 10 meters every day.

Tunnel section of Nhổn - Hà Nội Station metro line (13km) is 4 km long and has 4 stations.

https://vietnamnet.vn/can-canh-robot-khung-thu-2-bat-dau-dao-ham-10m-ngay-tuyen-nhon-ga-ha-noi-2368157.html

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