jkeele9a•

But its actually not a vacuum.

3
cdpaperOP•

Oh, it sounds like a vacuum

-2
n0sham3•

It's a concrete pump truck lol

3
cdpaperOP•

Oh, it sounds like a vacuum

-1
n0sham3•

That's the sounds a diesel engine makes when is being revved along with the sound of the concrete pumping concrete. It's quite the opposite of a vacuum I can assure you that.

2