Message posted by Mark (Member since 03/17/2009) on November 30, 2022 at 16:37:48 PST:
TBMs have large conveyor systems behind them that carry the material out of the tunnel they are digging. Inextricably long tunnels they sometimes use trains that are loaded from the conveyors.
In Reply to: Re: Camo dudes posted by Art Bell on November 30, 2022 at 7:56:19 PST:
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