водоисточник: 47 phrases in 13 subjects |
Construction | 1 |
Drilling | 1 |
Ecology | 5 |
Firefighting and fire-control systems | 3 |
General | 2 |
Glaciology | 1 |
Hydrology | 1 |
Makarov | 3 |
Military | 9 |
Oil / petroleum | 2 |
Public utilities | 1 |
Technology | 12 |
Water supply | 6 |