How does an elevator, a petrol pump, and an air hockey table really work? Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings. |
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Title: | Elevators, Petrol Pumps, and Air Hockey Tables | |
Air Date: | May 19, 2016 | |
Runtime: | 30 min | |
tabularascal : "...it just felt appropriate to wear armor." I think you're making her point! lol (no pu...