| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 509 | DF | SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11} |
| 606 | DF | .~ Separating means {33} |
| 659 | DF | .~.~ Sorting items by size {3} |
| 680 | DF | .~.~.~ Item of particular size passed through gauging aperture in wall (e.g., perforated panel, etc.) {3} |
| 682 | | .~.~.~.~ Aperture in chute or trough |