Many materials will generate high temperatures, turn red, or turn black after friction.

Do you know the Pythagorean theorem? It has nothing to do with this.

daguogongchengshi

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Handmade|16 small inventions

Mr-souy

248 Views

The outrageous fault encountered by the auto mechanic, using cable ties to tie the shock absorber

debora_curry_03_01

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Speed bumps for boys and girls!! Those novel machines

jixiepangke

65 Views

Those are super cool machines!!

jixiepangke

46 Views

You've never seen friction welding so perfect

xiaokechibaobao

13 Views

Speed bumps: the amazing work of skilled workers at work~

jixiepangke

52 Views

I thought it was a Dongfeng missile, but it was actually a Dongfeng tractor.

daguogongchengshi

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The big challenge of hand-rubbing various types of engines: single-cylinder fuel engine!

iris_case

973 Views

Homemade egg cracking tool

shougonggeng

182 Views

Homemade peeler

shougonggeng

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An uncle in a Swiss glass factory makes plates by hand, and it looks like he's making pizza.

YouTubejingcaishipin-

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Intuitive demonstration of the exquisite fish scale welding method, be sure to put it up

sungiaochuan

61 Views

[Funny compilation] This video is better than the job ads

Chenguaishou

158 Views

The development process of the shoulder chair

shougonggeng

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The seam weld between the two screws is so large that the master welder can do it with a single elec

Desideshougong

48 Views

Satisfactory work site

laobashuojixie

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Today's decompression video: the irresistible charm of machinery~

jixiepangke

85 Views

Today's stress-relief video!! An astonishing workplace scene~

jixiepangke

46 Views

Speed Bump!! Cool Mechanical Series 6.17

jixiepangke

46 Views