Why do we need to clean a car's radiator? #SciencePopularization #StressRelief #Cleaning #GainKnowle

Adding a big fan behind the hovercraft for a hovercraft racing competition. #Hovercraft #AirCushionL

haoqiwanhuatong

2 Views

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

haoqiwanhuatong

12 Views

The wisdom of the working people is to change the direction of force to move heavy objects. #Science

haoqiwanhuatong

13 Views

Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

haoqiwanhuatong

13 Views

Car Disassembly Video

haoyongwujingongju

38 Views

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

tanmi

22 Views

Why can firecrackers restore the shape of oil barrels? This is because of the instantaneous pressure

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

14 Views

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

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

29 Views

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

haoqiwanhuatong

9 Views

Cars can encounter many troubles in icy and snowy weather. Which ones have you encountered?

haoqiwanhuatong

13 Views

Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

haoqiwanhuatong

14 Views

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

haoyongwujingongju

32 Views

Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

haoqiwanhuatong

9 Views

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

yaki1

202 Views

Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

14 Views

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

haoqiwanhuatong

9 Views