| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 233 | DF | SIFTING {16} |
| * | DD | .~ Plane sifters {2} |
| * | DD | .~.~ Horizontal and inclined {4} |
| * | DD | .~.~.~ Reciprocating {6} |
| 311 | DF | .~.~.~.~ Multiple {4} |
| 315 | | .~.~.~.~.~ Superposed {4} |
| 316 | DF | .~.~.~.~.~.~> With intermediate conveyors |
| 317 | DF | .~.~.~.~.~.~> With dischargers |
| 318 | DF | .~.~.~.~.~.~> With pneumatic treatment |
| 319 | DF | .~.~.~.~.~.~> Attaching and adjusting |