| 165 / | HD | HEAT EXCHANGE |
| DIG 184 | DD | INDIRECT-CONTACT CONDENSER {12} |
| DIG 205 | DD | .~ Space for condensable vapor surrounds space for coolant {4} |
| DIG 207 | DD | .~.~ Distinct outlets for separated condensate and gas {7} |
| DIG 209 | | .~.~.~ Including tube banks arranged in undulating pattern (e.g., w shape) |