If cracks appear on the surface of the mixer after driving, the paint surface is not taken care of at ordinary times. The metal paint may produce a very subtle crack, which will continuously penetrate the vehicle paint until it penetrates the whole color paint layer. This phenomenon is called "cracking". Sometimes cracks will occur due to the quality of heavy painting. If there is car wax in the crack, the body will be found to have striped cracks. Regular waxing can gradually reduce the occurrence of cracking.

小型混凝土搅拌车褪色，大气中的油烟和污染物是造成车漆变色、褪色的主要原因。褪色与氧化不同，发生褪色时，车漆会出现不均匀的色差。中、轻度的褪色可用研磨、抛光治理，严重时必须重新喷漆。

The discoloration and discoloration of car paint are mainly caused by the discoloration of small concrete mixer, oil fume and pollutants in the atmosphere. Fading is different from oxidation. When fading occurs, the paint will have uneven color difference. Moderate and mild discoloration can be treated by grinding and polishing. In case of serious discoloration, it must be repainted.

小型搅拌车蚀痕，蚀痕是面状磨蚀。昆虫、鸟粪、树汁、焦油、沥青都有可能引起的蚀痕。轻微的蚀痕可用研磨抛光。

The corrosion mark of small mixer truck is surface abrasion. Insects, bird droppings, tree sap, tar and asphalt may cause corrosion marks. Slight corrosion marks can be solved by grinding and polishing.

搅拌车水痕纹，水痕纹是水滴蒸发后留下的痕迹，呈环状。氧化、常用洗涤灵清洗的车容易染上水痕。轻微水痕纹的通过打蜡抛光可，严重时需研磨或喷漆。

The water mark of the mixer truck is the mark left by the evaporation of water droplets, which is circular. Cars that are oxidized and commonly cleaned with detergent are easy to get water marks. Slight water marks can be cured by waxing and polishing. In severe cases, grinding or painting is required.

混凝土搅拌车浅划痕，由于摩擦及日常护理不当，小型混凝土搅拌车车漆面出现轻微的划痕，但并未露出底漆，这种划痕在阳光下比较明显。一般采用的抛光方法去除。

The concrete mixer has shallow scratches. Due to improper friction and daily care, there are slight scratches on the paint surface of small concrete mixer, but the primer is not exposed. This kind of scratch is more obvious in the sun. It is generally removed by professional polishing method.