How Do They Do It?

Season 1 · Episode 6 — Concrete, Cell Phones, Lightbulbs, Steel, Traffic

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Episode1. Recycling, Plasma TV, Fireworks, Railroad Tracks, Ink2. Salt Mines, Trainers, Ships, Watches, Wind Farms3. Tires, Excavators, Newspapers, Ports, Contact Lenses4. Internet Cable, Cranes, Pencils, Water, Toothpaste5. Glass, Golf Balls, Zippers, Coke Cans, Tire Changes6. Concrete, Cell Phones, Lightbulbs, Steel, Traffic

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