A set of curling stones costs hundreds of thousands? The ice surface even costs tens of millions?

A classmate had an argument with his roommate, and his life was ruined

chubbyemu

1 View

As long as you use the right method, work won't be that tiring.

haoyongwujingongju

37 Views

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

haoqiwanhuatong

46 Views

Car Disassembly Video

haoyongwujingongju

33 Views

Introduction to Traditional Group Farming Culture in Africa

yaki1

14 Views

Why do we need to cut a slant on the tree when felling it?

haoqiwanhuatong

18 Views

Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

haoqiwanhuatong

8 Views

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

tanmi

18 Views

Why can loose sand be made into sand sculptures after mixing with water?

haoqiwanhuatong

10 Views

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

haoqiwanhuatong

29 Views

Speed bump!! Amazing machinery~

jixiepangke

15 Views

Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

haoqiwanhuatong

9 Views

Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines

Jinzhengmeiyongde

14 Views

Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

haoqiwanhuatong

10 Views

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

haoqiwanhuatong

25 Views

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

haoqiwanhuatong

14 Views

Super cool mechanical series of speed bumps!

jixiepangke

8 Views

The Fertilization Process of Sperm and Egg

Jinzhengmeiyongde

8 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

45 Views

Introduction to Tequila

yaki1

63 Views