"Phenol is easy to open, but difficult to re-base."

Every surge is a struggle to break free from bondage

juchangbanyuu

3 Views

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

haoqiwanhuatong

25 Views

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

tanmi

11 Views

Those super cool mechanical series of speed bumps~

jixiepangke

32 Views

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

haoqiwanhuatong

15 Views

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

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

18 Views

This six-flower expression is too cute! !

juchangbanyuu

303 Views

Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

haoqiwanhuatong

15 Views

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

haoqiwanhuatong

79 Views

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

haoqiwanhuatong

13 Views

The power of science

haoyongwujingongju

13 Views

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

haoqiwanhuatong

19 Views

Let's take a look at the amazing workplace of skilled workers!

jixiepangke

34 Views

Fun|Playing With Chemical instruments

Huluoweili

42 Views

Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

54 Views

The periodic table of elements, but "cramming"

budangbaguishange

113 Views

Introduction to Tequila

yaki1

44 Views

How Tsunamis Are Formed (3D Principle)

Jinzhengmeiyongde

12 Views

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

yaki1

36 Views