Plastering is the process by which the rough surfaces of walls or ceilings are changed, rotated or applied to ensure smoothness. First, wet materials are distributed in a brick or brick factory, and then suitable equipment is used to level the surface. The main purpose of the plaster is to obtain a hard and smooth surface that can be painted and provide an aesthetic appearance. Recently, wall surfaces in modern homes have been finished with bricks or blocks or aesthetically attractive stones to show a beautiful appearance. Wet materials that spread over walls or roofs should not exceed 0.3 cm. However, there are surfaces with irregularities of more than 3 cm. In this case, under the layer, which is a cheap coarse-grained material, is used to apply the surface, followed by a topcoat, which is a thin layer of fine-grained materials. In addition, for walls made of stones of the wrong and different sizes, three coatings may be required. This is due to the fact that thick under...