 |
| ground conditions: 24 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Construction | 4 |
| Ecology | 2 |
| General | 1 |
| Measuring instruments | 1 |
| Melioration | 1 |
| Meteorology | 1 |
| Military | 1 |
| Mining | 5 |
| Road works | 1 |
| Technology | 4 |
| Transport | 1 |
|
| ground conditions: 24 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Construction | 4 |
| Ecology | 2 |
| General | 1 |
| Measuring instruments | 1 |
| Melioration | 1 |
| Meteorology | 1 |
| Military | 1 |
| Mining | 5 |
| Road works | 1 |
| Technology | 4 |
| Transport | 1 |