The genius invented the "Mecanum Wheel"! Why can it move sideways, diagonally, and rotate in place w

The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

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Thanks, master, you really have a wild imagination! It's better to have a clever mind than just brut

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You've never seen friction welding so perfect

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A lock with hidden secrets

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The Versatile Excavator

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I guarantee you've never heard these life hacks before

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Craftsmanship Techniques

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The Production Process of Cement Circular Pipes

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Silly Ad: Men Will Always Be Men, Hahaha!

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Candle Production Process

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Starting with just an iron chain, relying entirely on pulling throughout the whole process #Log Grap

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Harmonic Drive Reducer

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Homemade aircraft (banana leaf version) is so beautiful the moment it flies

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What if screws are rusted and can't be removed? Here's the solution—let's learn it together!

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"Facial Massage"

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Compressing and Processing Used Aluminum Cans

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【Vector Official】Mobile Phone Charger Hacker

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What kind of wisdom did the ancients have to design such a sophisticated mechanism?

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What's the meaning of "Zhongdeng" and "Laodeng"? Why are people referred to by various names online?

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Speed bumps!! A mechanical marvel men can't resist~

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