A professional who classifies samples of glazed tile according to color shade, and prepares color sample for board for use by tile sorter. Respnsibilities include:

• Selects samples of burned tile and examines tile to determine number of shade variations in each lot.
• Assigns catalog number for each color variation.
• Mounts tile samples of each shade on board.
• Explains range of variations in each shade to tile sorter to ensure uniform sorting of shades.