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How a Revolving Door Works 🚪🌀 #engineering #technology #shorts
Why do hotels and skyscrapers use revolving doors instead of normal doors? 🤔🏢 Revolving doors are designed to control airflow, save energy, reduce noise, and handle heavy foot traffic smoothly. Using a rotating central shaft and smart engineering, they work like a moving airlock! ⚙️🌀 Watch this quick science short to discover the ...
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