| 299 / | HD | MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL |
| 29 | DF | HARD MATERIAL DISINTEGRATING MACHINES {17} |
| 64 | ![]() | .~ With material-handling means {3} |
| 65 | DF | .~.~> Undercutting, dislodging and conveying {1} |
| 67 | DF | .~.~> Material handler enters cut with cutter |
| 68 | DF | .~.~> Rotary impeller |