Lady Rong's Science Lesson: The Principle of Sublingual Medication

Those who love hand guns will learn something new this time

heiyaketang

1 View

Those super cool mechanical series of speed bumps~

jixiepangke

19 Views

Why should you clean your car's exhaust pipe? #Science #Unzip #Car #Cleaning #Trivia

haoqiwanhuatong

14 Views

My wife is suffering.

xiaochenwuni

515 Views

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

haoqiwanhuatong

11 Views

Human Speed Bump – Mechanical ~3.26

jixiepangke

35 Views

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

haoqiwanhuatong

34 Views

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

haoqiwanhuatong

14 Views

Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

8 Views

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

haoqiwanhuatong

28 Views

The main feature is a fresh

huichiyouhuizuo

20 Views

The most perfect revenge!

laoshuguaitan

65 Views

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

haoqiwanhuatong

14 Views

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

haoqiwanhuatong

10 Views

The man as a speed bump: the skilled worker

yaki1

46 Views

Incredible seed growth process!!

jixiepangke

168 Views

If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

d___iezatan

155 Views

Today's stress-relieving video: an awesome mechanical series~

jixiepangke

27 Views

Torturing Scene in "Princess Pearl" + Smirking Special Effect

Tongtan

168 Views