Concrete mixer truck is a special vehicle for transporting concrete from concrete plant to construction project site. When the vehicle is in transit, the concrete in mobile concrete mixer truck will solidify into lumps in a short period of time, and has a certain degree of corrosion to the steel and paint. Therefore, Cleaning of the concrete adhered on concrete tanks and access mouth is a daily work which must be carefully maintained after finish transportation. How can we clean the concrete mixer truck correctly? What are the steps in details? The answers are as follows!