Where the line is thickened, it can be very thick or sharp!

Extra: I remembered my idol

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The power of science

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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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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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Decompression video of the workers series!

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I advise you to quit porn (enlarging testicles)

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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What happens when the moon wakes up?

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

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Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer

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They say diamonds are forever, but they can be burned and broken.

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Car Disassembly Video

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Where do mosquitoes lay their eggs?

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Introduction to Tequila

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The Traps and Solutions of Body Language

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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The Ultimate Sense of Comfort and Aesthetic Beauty

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

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

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The Fertilization Process of Sperm and Egg

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