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How to Build a Tunnel
Manage episode 355328992 series 3392094
There's a lot happening hundreds of feet below Cleveland's surface. NEORSD Construction Supervisor Robert Auber explains the ins and outs of tunnel excavation in various types of rock and the particular mindset required for a career working underground.
45 afleveringen
Manage episode 355328992 series 3392094
There's a lot happening hundreds of feet below Cleveland's surface. NEORSD Construction Supervisor Robert Auber explains the ins and outs of tunnel excavation in various types of rock and the particular mindset required for a career working underground.
45 afleveringen
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