| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
| 132 | DF | FLUID SUSPENSION {2} |
| 155 | DF | .~ Liquid {5} |
| 162 | DF | .~.~ Floating {3} |
| 172 | DF | .~.~.~ Gravity liquid {3} |
| 174 | DF | .~.~.~.~ Metallic (i.e., amalgamators) {6} |
| * | DD | .~.~.~.~.~ Feeding and distributing {2} |
| 183 | | .~.~.~.~.~.~ Submerging {3} |
| 184 | DF | .~.~.~.~.~.~.~> Conveyor |
| 185 | DF | .~.~.~.~.~.~.~> Vacuum |
| 186 | DF | .~.~.~.~.~.~.~> With agitation {2} |