| 431 / | HD | COMBUSTION |
| 207 | DF | HEATED LINE SECTION FEEDS FLAME HOLDER {19} |
| 218 | DF | .~ Basin for burning liquid fuel heats feed line section {3} |
| 222 | DF | .~.~ Basin receives fuel from terminus of heated fuel line {5} |
| 224 | ![]() | .~.~.~ Horizontally extending cavity of basin forms heated section |