Plot: The world's strongest knives; growing diamonds in a laboratory; producing enough bricks to build the modern world.
Cast
Rupert DegasRupert Degas was 37 in How Do They Do It? - Season 5 - World's Strongest Knife, Diamonds, Bricks (Episode 2).
Birthday: Mon, Aug 17 1970
Robert LlewellynRobert Llewellyn was 51 in How Do They Do It? - Season 5 - World's Strongest Knife, Diamonds, Bricks (Episode 2).
Birthday: Sat, Mar 10 1956