The Silent Dad, the Broken Quan

The silent father, the broken spring, and the laughing me to death

tingquanshangbao

0 View

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

haoqiwanhuatong

35 Views

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

haoqiwanhuatong

6 Views

Introduction to Tequila

yaki1

57 Views

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

haoqiwanhuatong

13 Views

Car Disassembly Video

haoyongwujingongju

26 Views

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

haoyongwujingongju

23 Views

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

tanmi

15 Views

How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

haoqiwanhuatong

6 Views

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

haoqiwanhuatong

14 Views

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

haoqiwanhuatong

25 Views

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

haoqiwanhuatong

32 Views

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

haoqiwanhuatong

26 Views

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

haoqiwanhuatong

22 Views

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

haoqiwanhuatong

10 Views

How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

21 Views

Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

haoqiwanhuatong

16 Views

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

yaki1

43 Views

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

yuwudianshiwutou

30 Views

Brother made a wrong judgment, so the sister had no choice but to donate.

tingquanshangbao

58 Views