Geographical Trivia You'll Never Use

Mars is a bit desolate, not even a single person is there. But the starry sky at night is very beaut

jiaodianweijilu

0 View

The teasing has begun!

hanenhuih

290 Views

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

haoqiwanhuatong

21 Views

Super cool mechanical series of speed bumps!

jixiepangke

19 Views

Car Disassembly Video

haoyongwujingongju

24 Views

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

tanmi

13 Views

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

haoqiwanhuatong

30 Views

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

haoqiwanhuatong

24 Views

Workers' amazing work site~

jixiepangke

10 Views

You don't necessarily have to go to the ocean to surf—surf simulators and artificial wave pools can

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

13 Views

How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

haoqiwanhuatong

12 Views

Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

haoqiwanhuatong

5 Views

Human Speed Bump – Mechanical ~3.26

jixiepangke

71 Views

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

haoqiwanhuatong

26 Views

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

haoyongwujingongju

20 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

30 Views

Why not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW

haoqiwanhuatong

9 Views

The irresistible charm of machinery~

jixiepangke

79 Views

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

haoqiwanhuatong

17 Views