How Do They Do It? XVI (5)

Self-healing stainless steel is produced at one of the world's largest steel mills. Also, cash is kept safe with uncrackable locks and the traditional Indian sugar, jaggery, is made to use in Ayurvedic medicine.

Chris Broyles, Robert Llewellyn, Dominic Frisby, Rupert Degas, Iain Lee

Režie: Dean Johnson