Why hasn’t anyone mentioned the ozone hole from our childhood textbooks anymore?

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Laporan

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duandechapingjun

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

3:38

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

haoyongwujingongju

40 Views

I used to rave about Edge back then, but now I feel like a clown!

4:00

I used to rave about Edge back then, but now I feel like a clown!

duandechapingjun

0 View

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

0:33

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

20 Views

Car Disassembly Video

3:02

Car Disassembly Video

haoyongwujingongju

38 Views

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

0:56

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

haoqiwanhuatong

18 Views

Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

0:45

Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

haoqiwanhuatong

9 Views

There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

2:31

There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

haoyongwujingongju

26 Views

Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

0:47

Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

haoqiwanhuatong

10 Views

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

0:47

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

haoqiwanhuatong

30 Views

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

0:45

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

haoqiwanhuatong

25 Views

A two-minute animated short reveals the process of human destruction of the earth! Demonstrate the i

2:05

A two-minute animated short reveals the process of human destruction of the earth! Demonstrate the i

70 Views

[Goat] A shameless devil's advocate?

3:06

[Goat] A shameless devil's advocate?

Maorongrongdexingqiu

59 Views

When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

7:44

When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

13 Views

The Land of Light, Caoxian—actually, this world can't do without you.

1:05

The Land of Light, Caoxian—actually, this world can't do without you.

9 Views

Introduction to Traditional Group Farming Culture in Africa

1:27

Introduction to Traditional Group Farming Culture in Africa

16 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

9:36

Are the videos we watched fake? Has wild sex education been fooling us all these years?

114 Views

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

0:35

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

yuwudianshiwutou

34 Views

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

1:02

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

haoqiwanhuatong

23 Views

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

0:52

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

haoqiwanhuatong

28 Views

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

0:58

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

haoqiwanhuatong

12 Views