Raise Boring – Marti Builds Shafts
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Vertical Shaft Sinking Machine (VSM)
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Eppenberg SBB Railway Tunnel - From installation to the breakthrough
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LIVE: Concrete Pumping!!!
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55 vidéos les plus satisfaisantes de travailleurs faisant parfaitement leur travail !
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10,000 Year Clock: raise bore excavation (02011)
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TERRATEC Tunnel Boring Machine - EPB Series
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Slag Crushing
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