Looks like a big car wash for trucks but it's not. I do a walk through in the video [ youtube video ]

I like this article that describes the Leg Elevator vs the old traditional auger... calling it a Container Exchanger https://blog.containerexchanger.com/gra ... they-work/

Conclusion
Most of the staples in our diet come from grains. Often these grains are harvested with the surplus stored in silos. Silos are one link in the long chain of how food gets from the farm to your table!