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How Tunnels Were Built Over 100 Years Ago #shorts

Ever wondered how tunnels were constructed a century ago? Mining methods and equipment were vastly different. Local Sudbury mines even used mules to haul cars underground! #thebusinessdevelopmentpodcast #kellykennedy #aaronlambert #mininghistory #tunnelconstruction #historicalengineering #undergroundmining #oldschooltech

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