A truck mixer driver's nightmare: a blocked tank! What happens when the concrete in the mixing drum

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

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Wow! What makes excavators, mixer trucks, dump trucks, and construction vehicles purple?

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A car that can collect vegetables was modified

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A man's speed bump

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

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Comparison of the size of tsunamis in history

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

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Why do we add a layer of metal between the hammer head and the wooden handle? #Science #StressRelief

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[Exploring the Mystery] Some boys’ “femininity” may be caused by genes!

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If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

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Introduction to Traditional Group Farming Culture in Africa

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

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Those amazing work sites for speed bumps~

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The skilled workers' satisfying work site~

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You've never seen friction welding so perfect

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What happens when the moon wakes up?

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

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I've learned a lot! I always thought sperm extraction involved watching porn movies for visual stimu

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