Tunnel Boring Machine Market Size and Forecast (2021 - 2031), Global and Regional Share, Trend, and Growth Opportunity Analysis Report Coverage: By Type (Slurry Tunnel Boring Machine, Earth Pressure Balance Shield TBM, Open Gripper TBM, Shielded TBM, Multi-Mode TBM, and Others), Geology (Soft Ground, Hard Rock Ground, Variable Ground, and Heterogeneous Ground), End User (Transportation, Metals & Mining, Oil & Gas, and Others), and Geography