Gregg Wallace explores the Axminster factory in Devon to reveal how 46,000 square metres of carpet are produced every year. He follows the production of one of their best sellers, the Havana Diamond Steel wool carpet.Meanwhile, Cherry Healey visits the Good Housekeeping Institute to learn the science behind the best ways to remove stubborn stains from carpets, pitching her home remedies against the expert's methods to tackle stains from butter, milk and red wine.And historian Ruth Goodman learns how the groundbreaking methods of a Devon-based carpet maker in the 18th century revolutionised intricate carpet making and explores the rise and fall of the hard-wearing flooring linoleum.