How does a frozen yogurt maker, a turnstile, and an ergonomic chair really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings. |
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Title: | Frozen Yogurt Makers, Turnstiles, and Ergonomic Chairs | |
Air Date: | May 12, 2016 | |
Runtime: | 30 min | |
yellow_rose1 : thank you and you as well. It's always a joy to reminisce with you. Have a wonderful week ...