Why don't firefighters just put out the fire? #science #release #firefighter #knowledge

Do you know how a key opens a lock, and how a locksmith opens a lock? #lock#decompression#knowledge

haoqiwanhuatong

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Speed bumps for boys and girls!! Those novel machines

jixiepangke

65 Views

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

jixiepangke

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If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

d___iezatan

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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

haoqiwanhuatong

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

jixiepangke

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Man Speed Bump!! Skilled Worker Series

jixiepangke

114 Views

Those are super cool machines!!

jixiepangke

46 Views

"Nobody"

Chenbaming

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Take you into the real world of underground miners

jixiepangke

56 Views

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

haoqiwanhuatong

12 Views

"The hilarious scene of firefighters rescuing people will make you burst into laughter, so be carefu

Zhongguorenmintebiexing

3.5K Views

It turns out that the horns of different cows are so different.

haoqiwanhuatong

417 Views

Speed Bump Worker Series!

jixiepangke

18 Views

Decompression video of the skilled worker series!

jixiepangke

21 Views

I can't stop laughing, Meng Yanchen really became a firefighter hahahaha!!

Liuxixige

33 Views

Men's Speed Bumps: Exciting Machinery

yaki1

10 Views

Do you know why elephants crush watermelons before eating them? #elephant#elephantfoot#elephant eats

haoqiwanhuatong

2.0K Views

What is water transfer printing? 9.20

jixiepangke

94 Views

Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

haoqiwanhuatong

45 Views