Have you ever seen operations like extracting platinum from chemical waste liquids, or smelting gold

This is the only virus that humanity has completely eradicated: the smallpox virus—a highly contagio

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Incest, but not completely

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This is my first time to touch the edge! Forgive me

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

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【Crayon Shin-chan】Special Chapter: They are brother and sister after all

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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

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The power of science

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Can You Crush Atoms?

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Put four golden loaches into the well

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Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

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Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

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

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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Use this video to defraud your chemistry teachers

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This is the first time I saw a hydraulic press fail.

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

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Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

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I advise you to quit porn (enlarging testicles)

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