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Thread: Turning a tunnel boring machine shield around - GIF

  1. Mar 1, 2020, 06:07 AM #1
    Altair
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    Turning a tunnel boring machine shield around - GIF

    Turning a tunnel boring machine shield around.




    Previously:

    Tunnel boring machine breaking through - GIF
    Vintage tunnel boring machine - GIF
    Tunnel construction GIF

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  3. Mar 11, 2020, 05:15 PM #2
    Pa1963
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    They are just going to spend eternity going around in a circle?

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