Trains are able to change the their trajectory with just a slight adjustment of the rail track. This clever switching design is achieved with a simple trick on the wheel and track. In this video we will also learn about rail crossing, wing rail and check rail. Let's take a closer look at how it works! Be our supporter or contributor: https://www.youtube.com/channel/UCqZQJ4600a9wIfMPbYc60OQ/join instagram : https://www.instagram.com/sabinzmathew/ Twitter : https://twitter.com/sabinsmathew Telegram : https://t.me/sabinmathew FB : https://www.facebook.com/SabinzMathew Voice over artist : https://www.fiverr.com/voiceonthemove