Knowledge Matrix on Instagram: "Discover how a Tunnel Boring Machine (TBM) works beneath our cities and mountains. In this video, we break down the main components and the step-by-step process that allows a TBM to carve tunnels safely and continuously. Stay informed viral it @coldwar.iiio You'll see how the rotating cutterhead breaks rock and soil, how the conveyor system removes excavated material, how the shield supports the tunnel during digging, and how concrete ring segments are installed t