The Heart That Changed the World—The Invention of the Motor!

What? The magician's most common trick!

tiancaibaike

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Those super cool mechanical series of speed bumps~

jixiepangke

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

haoqiwanhuatong

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The Production Process of Cement Circular Pipes

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

haoqiwanhuatong

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

haoqiwanhuatong

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Let's take a look at the amazing workplace of skilled workers!

jixiepangke

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

haoqiwanhuatong

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The modern version of the blood droplet, the foreign ruthless man puts a blade on the motor, and whe

kuangyemugong

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Let's take a look at the amazing workplace of skilled workers!

jixiepangke

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Let's take a look at those fascinating machines together

jixiepangke

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Speed bumps: amazing work by skilled workers.

jixiepangke

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When I rubbed out Wall-E with my hands, my life took a qualitative leap~

mengkeyuwali

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Skilled workers at a satisfying job site~

jixiepangke

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

haoqiwanhuatong

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

haoqiwanhuatong

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Let's take a look at the satisfying workplace of skilled workers!

jixiepangke

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Let's take a look at those satisfying little moments together!!

jixiepangke

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The man as a speed bump: the skilled worker

yaki1

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

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