| 34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| 282 | DF | PROCESS {24} |
| 443 | DF | .~ Gas or vapor contact with treated material {17} |
| 493 | DF | .~.~ Temperature of treating gas or vapor controlled {3} |
| 495 | ![]() | .~.~.~ Temperature of gas or vapor regulated by other drying variables |