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How It's Made
Season 25 · Episode 13
Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines
10.021mJuly 2, 2015
Metal tubes and structural sections are formed, welded, protected against corrosion and prepared to support traffic signals. Porous paper is formed, cut, pleated or crimped into disposable coffee filters, while heavy steel frames, drive systems and chains fitted with cutting teeth are assembled into machines that cut through rock and mineral deposits.
Episodes
- Episode 1Grammy Awards, Bicycle Lights, Above-Ground Pools, Foldable Solar Panels
- Episode 2LED Stage Lights, Apple Cider, Chemical Tank Trailers, Ornate Stone Floors
- Episode 3Fishing Line, Industrial Mixers, Natural Baking Soda, Tow Trucks
- Episode 4Storage Sheds, Industrial Fans, Parchment Paper, Climbing Walls
- Episode 5Precast Concrete Walls, 3D Printers, Telescopic Cranes, Kerosene Lamp Burners
- Episode 6Car Headlamps, Directional Drills, Pet Grooming Combs, Stained Glass Restoration
- Episode 7Handcrafted Skis, Septic Tanks, Hydroformed Chassis Parts, Aquarium Windows
- Episode 8Zip Line Brakes, Silk Fiber Lamps, Round Balers, Comfort Shoes
- Episode 9Armored Vehicles, Tension Fabric Buildings, Rowers, Sculpture Enlargements
- Episode 10Mountain Bike Suspensions, Surgical Sutures, Grain Dryers, Frying Pans
- Episode 11Downhill Ski Bindings, Immersion Parts Washers, Mining Ventilation, Pencil Sharpeners
- Episode 12Gingerbread Houses, Livestock Trailers, Bottom Rolling Hangar Doors, Toy Figurines
- Episode 13Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines