Why do manhole covers fly up? Could this be a valid excuse for being late to work?

Mom, the cosplayer I recommend is debuting as a minor idol!

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Audition, remember? Bibi Dong!

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

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

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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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[Dirty Mom] As you wished, "Young Mothers 3" is finally here!

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

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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Why do we need to cut a slant on the tree when felling it?

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[Derail × TF III] The famous river jumping scene that was deleted, Sanbi has already shown it to us

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

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Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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Why should you clean your car's exhaust pipe? #Science #Unzip #Car #Cleaning #Trivia

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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The mesmerizing farm machinery that's like a speed bump for men

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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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A few useful life hacks~

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