How Do They Do It - Road Rollers; Canned Bread; Vertu Phones

Seizoen: 12 - Aflevering: 6 / 188 - Eerst uitgezonden: 11 juni 2015 - Episode ID: 1159603

The powerful machines essential to building roads and highways are made; No pans are needed when you can bake bread in a can; Luxurious cell phones are made with rubies and sapphires.