Rebuilding the Oroville Dam Spillways
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18:27
What Really Happened at the Oroville Dam Spillway?
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22:22
How Fish Survive Hydro Turbines
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15:31
How Iron Ore Mining Works!
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16:59
Inside Europe's $1BN Abandoned Mega-Build
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1:48:56
11 Ways People Make Money Off America's Garbage | World Wide Waste | Business Insider Marathon
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22:11
This Bridge Should Have Been Closed Years Before It Collapsed
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27:20
Why Don’t Railroads Need Expansion Joints?
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18:55