How do clear advertisements outside the windows appear when the subway is running?
The following articles are derived from Interesting Manufacturing , by CastAI
I am Cast, learn mechanical design, through the motion picture to show you all kinds of things in the production process ah
Before taking the subway, I've always wondered how the ads outside the window show up. Between them, it's been two years since I left this doubt in the WeChat collection. Today I finally found the right video to explain!
Go to "Discovery" - "Take a look" browse "Friends are watching"
sent to have a look