Message posted by Art Bell (Member since 03/16/2022) on November 30, 2022 at 7:56:19 PST:
Beats me! I think that's a question for the people building these machines, or the engineers digging the holes. On my end, all I know is that we have a bunch of articles up to 50 years old championing the discovery of excavation and tunnel boring techniques that eliminate the burden of having to haul anything out, and zero articles saying "All those other articles are bogus."
In Reply to: Re: Camo dudes posted by The Doctor on November 29, 2022 at 12:41:23 PST:
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