Definitions for "Stains"
can be either extrinsic or intrinsic. extrinsic stain is located on the outside of the tooth surface originating from external substances such as tobacco, coffee, tea or food; usually removed by polishing the teeth with an abrasive prophylaxis paste. Intrinsic stain originates from the ingestion of certain materials or chemical substances during tooth development, or from the presence of caries. This stain is permanent and cannot be removed.
Discoloration on the surface of sheet metal, caused during mill processing.
Discoloration caused by a foreign substance.
Keywords:  suburbs, paris, northern, miles, france
Stains is a commune in the northern suburbs of Paris, France. It is located 11.6 km. (7.2 miles) from the center of Paris.
In finishing, produces the desired undertone color with proper distribution, depth and clarity of grain. Selection of the type of stain used is governed by the desired artistic result.
A suspension of metallic oxides, clays and other materials with water, used to add color to the surface of clay and glaze.
Transparent liquids allowing a based surface to show through.