Drill a triangular hole

Today's mechanical punk knot-tying tip

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The U.S. has Pineapple Phones, and China has Gazi Phones!

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Teach you how to instantly tell doctors from different departments apart!

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Done! Time to use my brain! Daily stress relief ①①

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The foreigner's giant plow tractor actually has a cab from the last century!

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Challenge! Cake! Is it real?!

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Machines make work simple!! (Stress-relieving version)

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The power of science

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Men's speed bumps – the mechanical series~

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Skilled workers are working at a satisfactory site~

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Spent 26 hours polishing a bronze mirror to restore it into a genuine copper mirror!

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Speed bump!! Amazing machinery~

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How Tsunamis Are Formed (3D Principle)

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A millennium-old mystery—anyone who understands can step forward and explain it.

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Car repair tips: temporary inflation, wire bundling to prevent punctures, DIY fenders, lubricating t

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Super Spicy Challenge Compilation!

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Super cool mechanical series of speed bumps! 7.18

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Unboxing short video: A "cyst" girl grows a giant-sized zit—squeezing it burst open is absolutely sa

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Let's take a look at some satisfying work scenes! 10.9

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Incredible seed growth process!!

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