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How Do They Do It?· Season 16 · Episode 17

Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics

S16E17·10.0·August 8, 2019·22m·Discovery

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?

Streaming on (US) Amazon Prime VideoHBO Max Amazon ChannelDiscovery+ Amazon ChannelYouTube TVPhiloScience ChannelSee all

#1In Season 16of 19 rated episodes
#1All-timeof 24 rated episodes
+0.0vs season avgSeason 16 averages 10.0
2019First airedAugust 8, 2019

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