Dropped a rock, and it took 11 seconds to hit the ground! How difficult is it to build a bridge over

We can only sell a few hundred tons of gallium and germanium a year. Why is it worth restricting the

chapingjun

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How do we measure the weight of such a heavy earth? [Bad review]

chapingjun

15 Views

The teasing has begun!

hanenhuih

139 Views

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

mengkeyuwali

17 Views

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

haoqiwanhuatong

27 Views

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

haoqiwanhuatong

12 Views

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

jixiepangke

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This suspension bridge and footpath is more terrifying than Glass Bridge!

Huanqiuqiqu

381 Views

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

tanmi

11 Views

Dry-stack stone wall technology

jiajudarenmrwen

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The top floor is a big sinkhole

f___iazaidexiaowo

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Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

17 Views

Build micro-hydro on creeks with powerful device

Chuangyimoxingjia

2.9K Views

Stone construction technology The construction technology of these stone houses is unique

jiajudarenmrwen

26 Views

Speed Bump Workers Series! 6.29

jixiepangke

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

haoqiwanhuatong

21 Views

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

jixiepangke

41 Views

Relying on self-made hydropower facilities, Uncle builds a perfect farmland irrigation system

Chuangyimoxingjia

630 Views

Making a 10m Underground Tunnel/Swimming Pool by Hand

JungleSurvival

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Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

20 Views