The Best Episodes of How It's Made Season 13

Learn how Swiss army knives , piano player rolls , oil tankers and racing wheels are made.

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Get the story behind copper pipe fittings , cylinder music boxes, pepper mills and hot rod steering columns .

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Featuring bowling balls , barber polls, felt and radar guns .

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Find out how pressure cookers, mechanical singing birds , buoys and stainless-steel tank trailers are made.

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Learn how All-Terrain Vehicles, Alpine skis , laser cutters and marble sculptures are made.

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Featuring socket sets, leather shoes , aluminum water bottles and bike chains.

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It's carved wood sculptures , flatware , cow bells and fountain pens.

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Find out how hammers , Swiss cheese , roller skates and colored pencils are made.

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Get the story behind aluminum boats, alpine horns and luxury watches.

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Learn how olive oil , lift trucks , seamless rolled rings and ski boots are made.

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Learn how gears , leather watchbands, vitrelle dishes and kitchen shears are made.

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It's professional cookware , luxury inlaid boxes , high-efficiency water heaters and Vespa scooters.

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Learn how carbon-fiber bicycles , blood products , forged chandeliers and ballpoint pens are made.

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