1. Clean the surfaces with a dust brush.
2. Fill deep holes and cracks with putty. Let the putty dry.
3. Polish the treated surface with sandpaper and remove the polishing dust with a brush.
4. Afterwards cover the entire surface with putty. Polish the surface and remove the polishing dust.
5. Prime the entire surface once with primer.
6. Twice cover the surface with a paint finish.
7. Clean the tools with soapy water and carefully rinse.