Title says it all; I’m sure a thin layer of cement will be left over after they poor it all, and I would imagine that thin layer would harden and then the next time they use the mixer another thin layer would be leftover and so on and so forth. After a while I would imagine it would accumulate to the point where it renders the mixer unusable.
Why is this not the case?
In: Engineering
Times I worked construction, they would figure what they ordered pretty close. Nobody wants to pay for what they can’t use. I’ve seen the drivers, if it’s a small amount, flush it with a bunch of water where they can end up dumping basically sand and gravel on the ground. The trucks carry water where they can rinse down. Or just back the truck up to a different spot and dump it where it isn’t a problem.
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