General statistics
List of Youtube channels
Youtube commenter search
Distinguished comments
About
Bo McGillacutty
OBF
comments
Comments by "Bo McGillacutty" (@Mrbfgray) on "The Unknown Truth Of The Boring Company" video.
Nice work Sir. One difficult challenge I've not heard much about-- making concrete tunnel support rings out of spoils that are frequently if not constantly changing dramatically in composition, they will need to be modifying the recipe on the fly I'm assuming.
2