extinguishing agent: 54 phrases in 12 subjects |
Astronautics | 3 |
Aviation | 6 |
Cables and cable production | 1 |
Ecology | 2 |
Firefighting and fire-control systems | 21 |
Military | 2 |
Nanotechnology | 2 |
Nautical | 2 |
Public utilities | 4 |
Sakhalin | 4 |
Technology | 4 |
Tengiz | 3 |