How train turn on curve?

Dosto es video me bataya gya hai ki train curve par kaise mudti hai...aur uske kya kya mechanism hai...janane k liye video ko pura dekhiye achha lage to like kijiye share kijiye

• #science_technology
• #train_turn
• #how_train_turn
• #train_turning_mechanism
• #how_train_track_change
• #indian_railway
• #knowledge_knorr