> 4. Are there any reason why we dont use TBM for small pipes, ( like for electricity or fibre optics, ) We do. It's called a directional drill. https://www.d

> 4. Are there any reason why we dont use TBM for small pipes, ( like for electricity or fibre optics, ) We do. It's called a directional drill. https://www.ditchwitch.com/directional-drills https://www.ditchwitch.com/directional-drills