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Results for "John Holland"

Wall posts

    • Lutz Genscher

      With #Herrenknecht Mixshield Tunnel Boring Machine Kathleen, consortium of contractors, John Holland/CPB/Ghella has completed boring the first of two metro railway tunnels up to 40m deep...

      • Ansh Chaturvedi

        East-West Metro tunnel boring machine has moved for the first time since the project came to a halt following a s...ent" (4meter advancement) of the TBM under the supervision of British engineer John En...

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      cover tunnel photo by: Matt Brown from London, England / CC BY

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