Cork: Is this nature's most versatile material? – BBC REEL
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13:12
How The World's Largest Cork Company Makes 22 Million Wine Stoppers A Day | Big Business
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6:02
How cork — the same material used to seal wine bottles — could save the planet
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14:11
Inside Africa's Food Forest Mega-Project
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16:13
Why Hagoromo Chalk Is So Expensive | So Expensive | Business Insider
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18:33
How 1.5 Million Plastic Bottles Are Turned Into Clothing Every Day | World Wide Waste
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11:07
Tensegrity Explained
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19:16
Primitive Glassmaking (Creating Glass from Sand)
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6:02