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Preparing to Assemble a TBM at the South Portal
Assembling a Tunnel Boring Machine at the South Portal Site
Reassembling and Testing the Tunnel Boring Machine at the South Portal Site
Sistem Crane - TBM Assembly
The South Portal Site's Tunnel Boring Machine Journey
Tunnel boring machine assembling#Shorts
launch pit and tbm assembly
Follo Line TBM assembly
Preparations to start tunnelling on huge HS2 site.
Preparing the West Ruislip Tunnel Portal Site
Preparing HS2's tunnelling launch site in West London
TBM machine assembly
