A genius invention from 800 years ago! Why can lanterns roll freely without going out—what’s the und

The magical "levitating hourglass"—turn the glass tube upside down, and an intriguing phenomenon unf

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Dice CNC Machining

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A lock with hidden secrets

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Harmonic Drive Reducer

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Speed bump!! Amazing machinery~

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Let's follow Mechanical Punk to explore the irresistible charm of machinery!

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A car that can collect vegetables was modified

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The Versatile Excavator

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Rolling shutter on-site construction and production

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Those classic shots that even I can’t surpass

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The irresistible mechanical series of speed bumps~

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Super cool mechanical series of speed bumps! 7.18

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This movie perfectly explains why most ancient emperors did not live long

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Speed Bump Mechanical Series! 7.30

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The uncle in the countryside makes a magical "rolling lamp" that rolls the candles at will without g

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The beekeeping skills of "Tiangong Kaiwu" restore the production of smokeless candles in ancient pal

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Today's stress-relief video!! An astonishing workplace scene~

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Restore ancient watermelon frost making techniques

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A man's speed bump

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Those amazing work sites for speed bumps~

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