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How It's Made
Season 8 · Episode 7
CO2 Cartridges, Pretzels, Scissor Lifts, Skating Rinks
10.021mFebruary 20, 2007
Small steel cylinders are formed, tested and filled with compressed carbon dioxide, shaped dough is boiled and baked into pretzels, hydraulic systems and crossed supports are assembled into scissor lifts, and layered refrigeration systems create and maintain artificial skating-rink ice.
Episodes
- Episode 1Photographs, Fur Tanning, Welding Electrodes, Electric Violins
- Episode 2Glass Bottles, Hacksaws, Ice Hockey Goalie Masks
- Episode 3Lacrosse Sticks, Frozen Fish Products, Flashlights, Paintbrushes
- Episode 4Deep-Cycle Batteries, Tins, Optical Lenses
- Episode 5Horseshoes, Dishwashers, Graphite Fly Rods, Frozen Pizzas
- Episode 6Pistons, Paint Rollers, Parachutes, Chimneys
- Episode 7CO2 Cartridges, Pretzels, Scissor Lifts, Skating Rinks
- Episode 8