| 406 / | HD | CONVEYORS: FLUID CURRENT | 
| 108 | DF | INTAKE TO FLUID CURRENT CONVEYOR {7} | 
| 122 | DF | .~ Load receptacle type {9} | 
| 127 | DF | .~.~ With valve between receptacle and fluid conveyor {1} | 
| 128 | DF | .~.~.~ Reciprocating, rotating, or swinging {3} | 
| 130 | DF | .~.~.~.~ Gate type {1} | 
| 131 |  | .~.~.~.~.~ Pivotable |