1. Zamboni

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. 7 August 2008. 60 min

Magic Jump, Zambonis & plate-glass windows that can withstand hurricane-force winds.

2. Les Paul Electric Guitar

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. 7 August 2008. 60 min

Les Paul electric guitar, Batesville Casket Company, & Burt's Bees lip balm

3. Jelly Bellies

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. 14 August 2008. 60 min

Ebonite bowling ball factory, Jelly Bellies, & environmentally compliant toilets

4. Cheddar Cheese

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. 14 August 2008. 60 min

Cheddar Cheese Factory, New Balance running shoes & Steinway pianos

5. John Deere Lawnmowers

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. 21 August 2008. 60 min

Perfect steel knife, John Deere lawnmowers, & the country's oldest chocolate factory in San Francisco

6. BMW Diesel Engine

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. 21 August 2008. 60 min

High-tech golf clubs, redesigned BMW diesel engine, & salt mines

7. Jack Daniels

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. 28 August 2008. 60 min

Jack Daniels whiskey, cat's eye marbles, & double-hulled Boston Whaler motor boat.

8. Semi Tractor Trailer

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. 28 August 2008. 60 min

How do you build a semi tractor-trailer capable of pulling up to 80,000 tons and make it fuel efficient? Brian Unger finds out at the Peterbilt factory. Then, he heads to Upper Sandusky, Ohio to make a shotgun that's been around since 1937.