1. Roll coating method: firstly, move the wool roller dipped in paint in W mode, and roughly coat the paint on the base; then, roll the wool roller dipped in paint close to the base, up and down, left and right, so as to evenly coat the paint on the base; finally, fully roll the wool roller dipped in paint in a certain direction.

Internal corners and upper and lower mouths should be brushed with a brush.

2. Spraying method: the spraying pressure should be controlled within the range of 0.4 ~ 0.8 MPa.

When spraying, the spray should be perpendicular to the wall, the distance should be about 500mm, and the spray should move in parallel at a uniform speed.

The overlapping width of two lines should be controlled at 1/3 of the spraying width.

3. Brushing method: First left and then right, first up and then down, first easy and then difficult, first edge and back.