Pavement marking equipment is divided into marking equipment and road marking auxiliary equipment. Marking equipment mainly refers to marking machine, including cold paint and hot melt. The construction of the cold paint marking machine is very simple. Generally, the cold paint marking machine alone is a pavement marking equipment, and all the steps of the marking construction can be completed without other auxiliary equipment; while the construction steps of the hot melt marking machine are more complex, which generally requires the assistance of several sample marking equipment, such as the water line machine (also called pre marking machine or sample line machine), the lower coating agent spraying machine, the blower, and the hot melt kettle Be able to draw lines on the road.