Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

Speed bumps for boys and girls!! Those novel machines

jixiepangke

32 Views

Why is lumberjacking a high-risk occupation? #Science #Unzip #Physics #Lumberjack

haoqiwanhuatong

4 Views

Those are super cool machines!!

jixiepangke

34 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

10 Views

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

haoqiwanhuatong

32 Views

Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

haoqiwanhuatong

19 Views

Decompression video of the mechanical series~

jixiepangke

16 Views

What is CIPP pipe repair technology?

jixiepangke

52 Views

Men's speed bumps: those cool machines~

jixiepangke

130 Views

How many egg yolks are needed to make a serving of fresh pasta?

xiyidakouyanhuoqi

31 Views

Skilled workers are working at a satisfactory site~

jixiepangke

26 Views

Men's Speed Bumps: Skilled Worker Series~

jixiepangke

27 Views

I am so busy every day that I don’t have time to make cute little vases.

taoyiheishi

40 Views

Foreign bloggers explained "cultivation", saying that the English translation of the cultivation sys

shijiejingxuanpindao

11 Views

Learn a wilderness survival trick every day

jixiepangke

9 Views

The wisdom of the working people!

pipiguaigaoxiao2

34 Views

Irresistible mechanical charm~

jixiepangke

74 Views

It turns out that the horns of different cows are so different.

haoqiwanhuatong

417 Views

Decompression video of the workers series!

jixiepangke

20 Views

Why do sheep stay still when they are being shorn?

jixiepangke

36 Views