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#railways #trains #train #train #technology #railway #railways What is the additional third rail on the curve for? How does it protect against derailment and excessive wear of the outer rail in the curve? Fragments of other films were used in the material: Recording of a train on a curve: • Video Recording of a section of the Duszniki-Zdrój - Kudowa-Zdrój railway line by Przemysław Witowski: • Kudowa Zdrój-Duszniki Zdrój from the back after... Rail lubricators: • RS Clare Advanced Curved Rail Lubrica... Noise on the curve: • Light railway screeching in curve - n... Music: Intro: https://freesound.org/people/eliasyia... Backing track: https://freesound.org/people/Migfus20... Photo of the lubricator: https://commons.wikimedia.org/wiki/Fi...