How It's MadeSeizoen 21Seizoen 21Seizoensnummer21Season name—AfbeeldingenPoster#AfbeeldingTitelUitgezonden1Rubber Gloves; Soap Carvings; Aircraft Cabinets; Motorcycle Brake Locks4 apr 20132Powder Horns; Handcrafted Molds; Pierogi; Inner Tubes11 apr 20133Lace; Antique Frame Replicas; Orchids; Unicycle Wheel Hubs18 apr 20134External Hard Drives; Frozen Shrimp; Thai Rice Boxes; Paper Towels25 apr 20135Tea; Roof Finials; Artificial Flowers; Alloy Wheels2 mei 20136Gel Caps; Playground Spring Riders; Frozen Pancakes; Natural Rubber9 mei 20137Paper Umbrellas; Coal; Aircraft Seats; Cremation Urns16 mei 20138Aluminum Canoes; Wooden Stave Bowls; Wheelchair Accessible Vans; Marimbas23 mei 20139Indy Car Seats; Paper Flowers; Stand-by Generators20 jun 201310Customized Knee Replacements; Leaf Springs; Lavender; Rivets and Rivet Tools9 jul 201311Cast Iron Stoves; Ultralight Aircraft; Snow Groomers; Rubber Bands18 jul 201312Barber Chairs; Sewage Pumps; Bimini Boat Tops; Diesel Filters25 jul 201313Car Tires; Silk; Art Conservation; Scuba Tanks1 aug 2013
