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
At the end of the day, the mixer returns to its terminal, where company staff spend a considerable amount of time spraying plain water into the mixer vessel, causing a thin slurry of the mix to come out of it, eventually leaving no accumulation of concrete in the truck.
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