 |
| |||
| crumbling rock (MichaelBurov); faulted rock (MichaelBurov); fractured rock (MichaelBurov) | |||
| fissured rock | |||
| трещиноватая горная порода: 3 phrases in 2 subjects |
| Mining | 1 |
| Oil and gas | 2 |
|
| |||
| crumbling rock (MichaelBurov); faulted rock (MichaelBurov); fractured rock (MichaelBurov) | |||
| fissured rock | |||
| трещиноватая горная порода: 3 phrases in 2 subjects |
| Mining | 1 |
| Oil and gas | 2 |