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Xy-Laser.Com / Agriculture / Plant Animal Oil / Stain Removal: Removing Stains From Stone, Tile and ...

Stain Removal: Removing Stains From Stone, Tile and ...

Website URL: http://www.housekeepingchannel.com/a_121-Removing_Stains_From_Stone_Tile_and_Concrete

Category: Plant Animal Oil

This acid is known as Hydrofluoric acid (HF) ... Black granite imported from Asia is sometimes Doctored with dyes and oils to darken the surface.