| 241 / | HD | SOLID MATERIAL COMMINUTION OR DISINTEGRATION |
| * | DD | APPARATUS {41} |
| 170 | DF | .~ Loose grinding body comminutor (e.g., ball or rod mills) {6} |
| 179 | DF | .~.~ Receptacle structure {3} |
| 182 | ![]() | .~.~.~ With lining {1} |
| 183 | DF | .~.~.~.~> With lifting or distributing characteristics |