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

Bachelor.Point.S05E39.720p.Bangla.AAC

ArifHawlader

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DIY angle grinder sliding cutting aids, safe, precise and beautiful.

Jiangzhizaowu

375 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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Now you know why some things can never be put back together again after being dismantled.

wozainianshi

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

sungiaochuan

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Outrageous failures encountered by auto mechanics, a collection of wonderful failures from February

debora_curry_03_01

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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

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Speed bumps for boys and girls!! Those novel machines

jixiepangke

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Speed Bump!! Cool Mechanical Series 6.17

jixiepangke

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

jixiepangke

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Those are super cool machines!!

jixiepangke

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You've never seen friction welding so perfect

xiaokechibaobao

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

daguogongchengshi

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Satisfactory work site

laobashuojixie

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

iris_case

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

jixiepangke

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Men's Speed Bump Worker Series ~2.13

jixiepangke

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Real industrial food

laojohn777

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

jixiepangke

85 Views

Irresistible mechanical charm~

jixiepangke

116 Views