Grinding is a term used to define a very aggressive calibrating action aimed at leveling the surface of the marble tile flooring, limestone, travertine and terrazzo. Marble grinding of a floor means leveling all the components, i.e. tiles, by eliminating the (steps) where the tile meets. These steps are also known as lips. This is possible whit the use of abrasives (diamond disc). This process is usually recommended when stone tile contain lip page. It is also recommended when deep stain and scratches present.