 |
| огнезадерживающий: 40 phrases in 13 subjects |
| Architecture | 1 |
| Construction | 7 |
| Energy industry | 1 |
| Energy system | 1 |
| Firefighting and fire-control systems | 12 |
| General | 2 |
| Makarov | 1 |
| Military | 2 |
| Nautical | 1 |
| Public utilities | 1 |
| Seismology | 1 |
| Technology | 5 |
| Textile industry | 5 |