4 ms·
> automatic stone placement, removal of dirt. All these features already exists in current and older machines. And the rocket market is different from the bori
by baud147258 8y ago
> automatic stone placement, removal of dirt.
All these features already exists in current and older machines. And the rocket market is different from the boring market.
- kamaal 8y ago>>And the rocket market is different from the boring market. Actually its not. TBMs are crazy expensive as of now. Any major disruption in price will be a total game changer for public transit systems.