| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 233 | DF | SIFTING {16} |
| * | DD | .~ Plane sifters {2} |
| * | DD | .~.~ Horizontal and inclined {4} |
| * | | .~.~.~ Reciprocating {6} |
| 310 | DF | .~.~.~.~> Distorting |
| 311 | DF | .~.~.~.~> Multiple {4} |
| 320 | DF | .~.~.~.~> With agitators and conveyors {3} |
| 325 | DF | .~.~.~.~> With horizontal and vertical shake {3} |
| * | DD | .~.~.~.~> With horizontal shake {3} |
| 346 | DF | .~.~.~.~> With vertical shake {2} |