The tank-type semi-trailer is a semi-trailer whose cargo part structure is a tank-type structure. Mainly used for transporting liquids, bulk materials and bulk cement.

A dump truck is a vehicle that unloads goods by itself by hydraulic or mechanical lift. Also called dump truck. It is composed of automobile chassis, hydraulic lifting mechanism, cargo compartment and power take-off device. In civil engineering, dump trucks often work in conjunction with construction machinery such as excavators, loaders, and belt conveyors to form a loading,

Before the new car is put into use, it should be prepared for inspection according to the requirements of "Instructions for Use". and tighten all outer bolt nuts once.