| 202 / | HD | DISTILLATION: APPARATUS |
| 81 | DF | APPARATUS {4} |
| 239 | | .~ Elements {10} |
| 241 | DF | .~.~> Cleaning and decarbonizing |
| 242 | DF | .~.~> Closures {5} |
| 254 | DF | .~.~> Offtakes {6} |
| 262 | DF | .~.~> Feeding and discharging {1} |
| 264 | DF | .~.~> Foam control |
| 265 | DF | .~.~> Agitating |
| 266 | DF | .~.~> Distilland supports and containers |
| 267.1 | DF | .~.~> Materials of construction {1} |
| 268 | DF | .~.~> Expansion provisions |
| 269 | DF | .~.~> Air and gas seals |