 |
| frost penetration: 11 phrases in 8 subjects |
| Construction | 4 |
| Engineering geology | 1 |
| Geology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Road works | 1 |
| Sakhalin | 1 |
| Seismology | 1 |
|
| frost penetration: 11 phrases in 8 subjects |
| Construction | 4 |
| Engineering geology | 1 |
| Geology | 1 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Road works | 1 |
| Sakhalin | 1 |
| Seismology | 1 |