Grassroots treatment: remove the peeling, looseness and bulging on the wall and other grassroots, and clean up the dust, dirt, splash and mortar flow marks remaining on the surface of the grassroots.
Grass-roots treatment: the wall and other grass-roots peeling, loosening and drum bags, etc. to remove chisel flat, and residual dust, dirt, splashes and mortar traces and other debris clean.
Base treatment: remove the peeling, looseness and bulge on the wall and other base, and clean the residual dust, dirt, splash and mortar flow marks on the surface of the base.<br>