| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 233 | DF | SIFTING {16} |
| * | DD | .~ Plane sifters {2} |
| * | | .~.~ Horizontal and inclined {4} |
| 309 | DF | .~.~.~> Reciprocating and rotating |
| * | DD | .~.~.~> Reciprocating {6} |
| 350 | DF | .~.~.~> Rotating {1} |
| 352 | DF | .~.~.~> Stationary {2} |