This “Zipper Truck” can build a tunnel in 24 hours.
Clearly, this isn’t your regular truck. It’s a custom build that allows masons to erect free-standing tunnels very fast. The roller-covered arched rear temporarily supports the Lego-like brick structures, which are then locked in place without the need for an adhesive.
Link to this Post:
<a href="https://www.schmunzeln.net/this-zipper-truck-can-build-a-tunnel-in-24-hours">This “Zipper Truck” can build a tunnel in 24 hours.</a>