How Do They Do It? Season 16 Episode 17 Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics ( Air Date 2019-08-08 ) Genre Documentary category. Overview "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?".
How Do They Do It? Season 16 Episode 17 Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics
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