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  With #Herrenknecht Mixshield Tunnel Boring Machine Kathleen, consortium of contractors, John Holland/CPB/Ghella has...ilway tunnels up to 40m deep under Sydney Harbour in an historic milestone for publi...

  1606 days ago

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  A kind reminder to our members: Please note that in TunnelContact.com, we take privacy very seriously. You as a us...e. For example; are you sure that you want to mark your personal telephone as 'Publi...

  1453 days ago

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