btained after melting treatment of electro tinned smooth raw material strip with extremely fine stone figures by processing.B. Stone surface (R) - Glazed surface obtained after melting treatment of electro-tinned raw material strip featuring certain oriented stone figures.C. Stone rough surface (R2) - Glazed surface obtained after melting treatment of electro-tinned raw material strip featuring certain oriented stone figures, roughness higher than "R".D. Silver surface (S) - Glazed surface obtai