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TBM Tunneling 101 from Forbes

    Joey Koleman
    By Joey Koleman Replies (1)

    You can't disagree with this,

    'Tunnel boring machines are a key tool in urban development, which makes them anything but boring.'

    https://www.forbes.com/sites/lauriewinkless/2021/05/18/how-to-dig-a-tunnel/?sh=31ea0bda7f41

     

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