Последние добавленные видео:
why-there-are-gaps-in-railway-tracks
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8 лет назад
742596 8 лет назад 4:46Thermal Expansion - Why are gaps left between railway tracks? | #aumsum #kids #science
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4 года назад
11159442 4 года назад 5:31Why Are There Stones Along Railway Tracks?
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6 месяцев назад
485 6 месяцев назад 1:45Why Railway Tracks Have Gaps: The Science Explained!
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6 месяцев назад
7182637 6 месяцев назад 27:20Why Don’t Railroads Need Expansion Joints?
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3 года назад
36677 3 года назад 3:01There Are 4 Rails on Railway Bridges, But Why?
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4 года назад
17768 4 года назад 2:19Why railway track have gap at joint? | Thermal Expansion | Unnoticed Things
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3 года назад
1049 3 года назад 6:51Why are gaps left between railway tracks ? Thermal Expansion | Expansion joints in Concrete Slabs
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4 года назад
2292 4 года назад 2:36Why there is a gap between railway tracks?| Interesting GK| Vedant Maths
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1 год назад
112660 1 год назад 6:08What do Check Rails Do on the Railway? Why Railway Engineers Install Them?
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4 года назад
69 4 года назад 3:52Gaps left in railway tracks