A new floated plaster is to be made on the plaster of the Stair Mother. Please list one by one the works that make up its execution

The works related to the implementation of floated plaster are as follows:

1) sandblasting the existing plaster, repairing minor damage to plaster with gypsum-based putty;

2) painting with a plaster primer;

3) painting with a thin plaster mortar;

4) applying a layer of plaster and making an invoice on its surface.