Back up to: Inside the Factory
6/6 Gregg Wallace joins a human production line in the largest sports shoe factory in the UK.
5/6 Gregg Wallace follows a tanker of sugar through one of Britain's oldest sweet factories.
4/6 Gregg visits Britain's largest bicycle factory, which makes 150 folding bicycles each day.
3/6 Gregg follows dried haricot beans through the largest baked bean factory in the world.
2/6 Follow potatoes from a farm in Hampshire through the world's largest crisp factory.
1/6 Gregg Wallace follows a load of corn as it becomes Crunchy Nut Cornflakes.