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People who like Italian contractor's innovative 'box jacking' technique speeds up tunnel construction in Florida

    Gianluca Gallota

    Italian contractor's innovative 'box jacking' technique speeds up tunnel construction in Florida

    https://www.youtube.com/watch?v=npOmAUPx718 Work that typically takes a year now takes just two weeks with this technique of Italian contractor. https://www.wogx.com/video/913646