Automatic sperm extraction machine, would you like to try it?

Director!

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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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Strong men VS. Strong fish

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

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If one of the conjoined twins dies, will the remaining one continue to live with the other?

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

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

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

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

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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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How sexy is sexy lingerie?

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Why doesn't it hurt when a needle is stuck in my finger?

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The first step after a burn is not to go to the hospital immediately!

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

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Overeating can lead to acid reflux and esophageal cancer

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Have you ever used a self-service sperm collection machine?

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Don't be misled by Japanese films.

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Stop talking nonsense, it's not that China can't make it, it's that we are too lazy to make it

d___iezatan

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The moments when doctors hint at you

bahenwaikezhoutao

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