Escalator Steps Have Teeth? Here's Why

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Why Escalators Have Brushes On The Side 😯

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Why Escalator Steps Have Grooves 😯 (important)

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HOW MANY STEPS ARE ON AN ESCALATOR?

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Why do escalator steps have grooves? (Your safety!) #shorts #viral #escalator

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Moving Stairs: EXPLAINED! #escalator #viralshorts #howitworks

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How Many Steps Are On An Escalator?

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Why Do Escalator Handrails Move Faster Than the Steps?

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Why Escalator Steps Have Lines 😱 | Escalator Safety Explained

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How Escalators Work #escalator

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Escalators need to be stopped. At least stairs don't have teeth.

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Why Escalator Handrails Move Faster Than Steps

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