| 137 / | HD | FLUID HANDLING |
| 1 | DF | PROCESSES {5} |
| 2 | DF | .~ With control of flow by a condition or characteristic of a fluid {6} |
| 3 | ![]() | .~.~ Mixing of plural fluids of diverse characteristics or conditions {4} |
| 4 | DF | .~.~.~> Controlled by consistency of mixture |
| 5 | DF | .~.~.~> Controlled by conductivity of mixture |
| 6 | DF | .~.~.~> Controlled by heat of combustion of mixture |
| 7 | DF | .~.~.~> Controlled by pressure |