When painting, the ruler moves up against the base line.
2, according to the design drawing requirements of plastering quality.
3, the thickness of each layer is not more than 7-9mm, the operation should be first spread on the ash cake, and then wipe the ash cake.
4. When the room area is large, the cross center line should be popped out on the ground first.
5, to make grey cake, and then fill according to the grey cake