Geographical Trivia You'll Never Use

[Man-eating tiankeng] Houses suddenly sank hundreds of meters, and the entire city was terrified

zhengzhengdezheng

0 View

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

haoqiwanhuatong

21 Views

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

tanmi

14 Views

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

haoqiwanhuatong

30 Views

The teasing has begun!

hanenhuih

291 Views

How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

24 Views

Speed Bump Mechanical Series! 7.30

jixiepangke

9 Views

I've learned a lot! I always thought sperm extraction involved watching porn movies for visual stimu

yuwudianshiwutou

28 Views

[Goat] A shameless devil's advocate?

Maorongrongdexingqiu

49 Views

Why doesn't it hurt when a needle is stuck in my finger?

yaki1

42 Views

When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

haoqiwanhuatong

24 Views

Skilled workers at a satisfying job site~

jixiepangke

30 Views

Car Disassembly Video

haoyongwujingongju

26 Views

Human Speed Bump – Mechanical ~3.26

jixiepangke

71 Views

Workers' amazing work site~

jixiepangke

12 Views

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

haoqiwanhuatong

26 Views

Why not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW

haoqiwanhuatong

9 Views

The skilled workers' amazing work site at the speed bump installation!

jixiepangke

22 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

32 Views