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sir aap ka samjaya hua turnt smj aav h thnx
👌👌👌
Thank you sir
Thanks sir
Nice video and very useful knowledge.
Very helpful video sir 👍
Namaskar sir, it is difficult to get lessons on pressure related topics. It is your kindness if you uploaded some videos on air brake tests. 🙏And how to operate SWTR an RTR
Sir wheel ka dia kaise liya jata hai.Goods train mai is par video banaye
Sir bsl mai Beena gap kiye hue operate karte hai
Sir, please c3w DV LEAKAGE TEST
Aapka duty kaha h sir
বা ভালো বোঝাচ্ছেন কিন্ত স্যার বাংলা বলে ভালো হয়।
Sir video banaya
sir aap ka samjaya hua turnt smj aav h thnx
👌👌👌
Thank you sir
Thanks sir
Nice video and very useful knowledge.
Very helpful video sir 👍
Namaskar sir, it is difficult to get lessons on pressure related topics. It is your kindness if you uploaded some videos on air brake tests. 🙏And how to operate SWTR an RTR
Sir wheel ka dia kaise liya jata hai.Goods train mai is par video banaye
Sir bsl mai Beena gap kiye hue operate karte hai
Sir, please c3w DV LEAKAGE TEST
Aapka duty kaha h sir
বা ভালো বোঝাচ্ছেন কিন্ত স্যার বাংলা বলে ভালো হয়।
Sir video banaya
👌👌👌