SEMAFORY ŚWIETLNE - część 1

We're entering the modern age with light signals!!! In this video, I'll discuss the most important principles related to these signals and also introduce you to the first ones. I'll discuss signals S1, S2, and S3. Why so few? Because in the case of signals S2 and S3, these signals mean something more :) As a reminder, here's a video on shape signals:    • SEMAFORY KSZTAŁTOWE   @MichalPiatkowski