 |
| |||
| following dirt; following; friable immediate roof; friable top; poor rock | |||
| ramble; draw roof; draw slate; following stone | |||
| ramble (пласта) | |||
| false roof | |||
| ложная кровля: 8 фраз в 2 тематиках |
| Геология | 2 |
| Горное дело | 6 |
|
| |||
| following dirt; following; friable immediate roof; friable top; poor rock | |||
| ramble; draw roof; draw slate; following stone | |||
| ramble (пласта) | |||
| false roof | |||
| ложная кровля: 8 фраз в 2 тематиках |
| Геология | 2 |
| Горное дело | 6 |