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Currently you are able to watch "How Do They Do It? - Season 4" streaming on Max, Max Amazon Channel, Discovery+ Amazon Channel, Discovery + or buy it as download on Amazon Video.
Sometimes the objects we take for granted to make our life easier are the objects with the most engineering behind them. In this next volume of How Do They Do It?, see how Peanut Butter, Shotguns, Fire Extinguishers, the Eiffel Tower, Chocolate Bars, Shoes, Gum, Whiskey, Money, Airplane Tires and so much more are produced.