Why Is There a Cross Mark on The backside of a Train? ट्रेन के पीछे X का मतलब

241 views · Published 7 February 2018 · 3:30 · Indexed 17 October 2026

Channel: Gyan Kavach · 2018 · Science & Technology

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guy's aaj is video me mai apko train ke pichhe (X), LV Board aur Red Blink light ka matlab apko bataunga, ye sab kyu lagaya jata hai train ke pichhe, agar video achha lage to like, Comment, share aur channel ko subscribe karna na bhule
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