water-drop : 31 phrases in 12 subjects |
Aviation medicine | 1 |
Energy industry | 1 |
Firefighting and fire-control systems | 1 |
General | 5 |
Literature | 1 |
Makarov | 14 |
Military | 1 |
Name of organization | 1 |
Security systems | 1 |
Submarines | 1 |
Technology | 3 |
Transport | 1 |