What is "riveting"? Why do airplanes use millions of rivets instead of welding?

How many types of snake venom are there?

sumiaolianxi_04

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

haoqiwanhuatong

20 Views

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

haoqiwanhuatong

9 Views

Those irresistible mechanical charms~

jixiepangke

35 Views

Speed Bump!! Cool Mechanical Series 6.17

jixiepangke

82 Views

Speed bumps for boys and girls!! Those novel machines

jixiepangke

94 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

17 Views

Skilled workers are working at a satisfactory site~

jixiepangke

50 Views

Men's speed bumps: those cool machines~

jixiepangke

161 Views

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

10 Views

Today's stress-relieving video: an astonishing workplace scene~

jixiepangke

73 Views

The free heroine in the anime: fly, fighter girl

xisenxue

1.2K Views

Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

41 Views

This technology is simply~

jiajudarenmrwen

32 Views

Decompression video of the skilled worker series!

jixiepangke

23 Views

Can an airplane be flown like this?!

ncclhangban

98 Views

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

jixiepangke

37 Views

3 Incredible "Wave Power Generators" That Can Generate Electricity Simply by Being Placed on the Sea

lengkepu

1 View

An interesting scientific phenomenon: why does tea water form an "oil film" on the surface after bei

lengkepu

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The incredible "fluidized bed", sand flows like liquid, do you know the principle?

lengkepu

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