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

Meeting you feels like finding a treasure.

juchangbanyuu

1 View

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

yaki1

35 Views

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

haoqiwanhuatong

16 Views

Those skilled workers deliver satisfying results on the job site!!

jixiepangke

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

Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

11 Views

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

haoyongwujingongju

10 Views

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

haoqiwanhuatong

15 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

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

jixiepangke

33 Views

vol.003 How Exchanges Crack Down on Dishonest Traders

radora

12 Views

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

haoqiwanhuatong

18 Views

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

jixiepangke

13 Views

Introduction to Tequila

yaki1

42 Views

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

xiaokechibaobao

54 Views

A few useful life hacks~

jixiepangke

38 Views

The mesmerizing farm machinery that's like a speed bump for men

yaki1

112 Views