Sleepers, Yandex Zen

12-March-2024 Tuesday
Why concrete sleepers lie under snow and rain for 50 years and do not collapse: the invention of engineer Nikolai Dolgov

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Why concrete sleepers lie under snow and rain for 50 years and do not collapse: the invention of engineer Nikolai Dolgov - Sleepers, Railway, A train, Concrete products, Yandex Zen, Longpost, Yandex Zen (link)

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Railway Concrete products A train Sleepers Yandex Zen Yandex Zen (link)

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