Life-saving trivia your parents and school don't teach you! How many do you know?

Where does the phlegm that you can’t cough up for a long time go? It may block your trachea...

wilda_maddox_02_01

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How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

haoqiwanhuatong

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

haoqiwanhuatong

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Why can the fountain stone ball rotate? #Popular Science #Unzip #Physics #Fountain Stone Ball #Trivi

haoqiwanhuatong

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

haoqiwanhuatong

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

haoqiwanhuatong

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Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

haoqiwanhuatong

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Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

haoqiwanhuatong

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

haoqiwanhuatong

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

haoqiwanhuatong

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

haoqiwanhuatong

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

haoqiwanhuatong

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

haoqiwanhuatong

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

haoqiwanhuatong

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A 10-year master of Chinese medicine tells you that you are eating red dates wrongly!

wilda_maddox_02_01

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

yaki1

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Introduction to Tequila

yaki1

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

danzijihe_04

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The Four Famous Men's Health Myths—How Many Do You Know? Another video where whoever finds it first

wilda_maddox_02_01

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What to use for wound disinfection? A video teaches you how to distinguish between alcohol, iodine,

wilda_maddox_02_01

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