How Do They Do It? S16E17 Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics
How Do They Do It? Season 16 Episode 17 Online – 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?
Seasons and Episodes
List of episodes and seasons online:
