The gravel on railway sleepers has a very important function.

  25 Januari 2022 10:06

If you pay attention, every railroad track always has a lot of gravel. Yes, right?

Of course it's not a coincidence, because it turns out there is a scientific reason, you know. The gravel on railway sleepers has a very important function.

Are you curious about the functions of these pebbles? Come on, see the review in the following video.

(brl/red)

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