Zipper tunneling truck. Your browser does not support the video tag. Previously: Mini electric train for tunnel construction - photos and video Microtunneling time-lapse - GIF Tunnel boring machine cutter head - video Tunnel blasting shockwave - GIF Tunnel boring machine breaking through - GIF
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Andyt (Oct 10, 2022), carloski (Oct 8, 2022), durrelltn (Nov 6, 2022), mwmkravchenko (Oct 9, 2022), nova_robotics (Oct 9, 2022)
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