| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 422 | DF | STRATIFIERS {6} |
| * | DD | .~ With liquid treatment {3} |
| * | DD | .~.~ Receptacles {3} |
| 446 | DF | .~.~.~ Reciprocating {2} |
| 448 | ![]() | .~.~.~.~ With agitators {2} |
| 449 | DF | .~.~.~.~.~> Reciprocating |
| 450 | DF | .~.~.~.~.~> Rotating |