How Do They Do It? Season 16 Episode 17
How do they mine a million tonnes of fertiliser from below the sea? And, how do they hand print millions of colourful clothes using the ancient art of batik?
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Serie: How Do They Do It?
Episode Title: Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics
Air Date: 2019-08-08
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