Musk’s Boring Company is launching DIY watchtowers with bricks from tunnel dirt

Normally the concrete reinforcement panels that line tunnels are precast based on calculations for how many they'll need to complete the project, which makes sense because tunnels are usually large one-off infrastructure projects.

Boring Co, which wants to be in the business of making tunnels constantly and for anything from transport to utilities, could look into making a Just In Time process for precast panels using tunnel dirt/rocks to mix with concrete and for aggregate.

It'll use only a fraction of what they dig up, but reducing waste and improving process is always a good thing.