পাহাড়ের ভেতর দিয়ে কিভাবে টানেল বানায়। How Tunnels Are Built Through Mountains | টেক ৩৬০

পাহাড়ের ভেতর দিয়ে কিভাবে টানেল বানায়। How Tunnels Are Built Through Mountains | টেক ৩৬০ I hope you really enjoy this video..⬇️ https://youtu.be/r4KhOgerv30 Don't forget to like,share and comment and also subscribe to our channel..⬇️ www.youtube.com/@Tech360_bd ---------------------------------------------------------------------------------------- My motive behind creating Tech 360 is to make technology easy to understand in Bengali. I want each and every individual who is interested in technology to be able to understand it in the easiest possible way. ============================================ Any copyright issue please contact us this email, We will remove the video in 24 hour. [email protected] ......................................................................................... Follow me on Facebook.....⬇️ https://web.facebook.com/profile.php?id=61586881785395 =========================================== টেক ৩৬০/ Tech 360 in our channel fully complies with the Copyright Act but some materials we copyright only for non-profit educational purposes.We do not copyright its content in any way.its just "fair use"only. _______________________________________________________ DISCLAIMER:- =========== Under section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting,teaching, scholarship, education and research.Non-profit, educational or personal use tips the balance in favor of fair use. #ChinaTunnel #TunnelConstruction #EngineeringTechnology #MountainTunnel #ChinaEngineering