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

The incredible "abrasive flow" squeezes the fluid out of the tube. The picture is so sour.

lengkepu

2 Views

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

haoqiwanhuatong

25 Views

Why should you clean your car's exhaust pipe? #Science #Unzip #Car #Cleaning #Trivia

haoqiwanhuatong

16 Views

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

haoqiwanhuatong

13 Views

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

haoqiwanhuatong

12 Views

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

tanmi

11 Views

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

haoqiwanhuatong

18 Views

Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

12 Views

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

haoqiwanhuatong

15 Views

Those super cool mechanical series of speed bumps~

jixiepangke

30 Views

This six-flower expression is too cute! !

juchangbanyuu

303 Views

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

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

16 Views

The power of science

haoyongwujingongju

13 Views

When I rubbed out Wall-E with my hands, my life took a qualitative leap~

mengkeyuwali

17 Views

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

jixiepangke

33 Views

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

haoqiwanhuatong

72 Views

【HISHE】Jurassic Park Parody 1

jiqishudezahuopu

14 Views

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

haoqiwanhuatong

18 Views

The mysterious man setting up a street stall

ojiajiajia

11 Views