With a soft cloth, soap and water, thoroughly clean the surface. You can use straw steel wool to remove fine mass pingas. Rinse and dry, leaving it dry well. Then pass a layer of colorless liquid wax or wax with silicone. Allow to dry and polish with a flannel cloth or polisher. If necessary, remove excess gently using straw steel wool thin.
With straw steel wool thin and dry, remove any mass drops that eventually are glued. Waxing and polishing with a flannel cloth.
Tops sinks and washbasins :
Proceed as described above.P