How hot are soap bubbles when they burst in summer?

The Blueberry video that Bi Dao has played millions of times actually has something wrong?

bideerjiedao

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Human Speed Bump – Mechanical ~3.26

jixiepangke

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

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

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

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

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Far more than the average family car? A palm-sized inline four! The whole process of assembly!

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

haoqiwanhuatong

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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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Today's stress-relieving video: an awesome mechanical series~

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What a zombie moon looks like

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What people think of India vs. what India actually is

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Convex lens experiment

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Violent gyro (10KG)

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Man speed bump!! A satisfying job site~

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24 Views

High voltage toys 2

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The man as a speed bump: the skilled worker

yaki1

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

yaki1

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How sexy is sexy lingerie?

paidahexiaokui

119 Views