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Can ice bullets really withstand the high temperature of gunpowder and become invisible after being

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How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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

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The Butterfly Effect

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What is static line parachuting?

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Refurbishment and remodeling film application technique for old kitchen cabinets

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Cleaning the foam pool at the playground may seem stress-relieving, but it's actually very hard work

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The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

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Why can't you stand next to a hydraulic press and watch?

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Hot air balloon pilots actually can't "control the direction" at all?

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Why should you quickly move away when you see red smoke coming from an airplane?

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