 |
| smoke detector: 47 phrases in 20 subjects |
| Architecture | 1 |
| Astronautics | 2 |
| Construction | 6 |
| Ecology | 1 |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 8 |
| General | 1 |
| Makarov | 1 |
| Molikpaq | 1 |
| Nautical | 1 |
| Occupational health & safety | 6 |
| Oil / petroleum | 2 |
| Programming | 1 |
| Road works | 1 |
| Sakhalin | 4 |
| Security systems | 4 |
| Technology | 1 |
| Transport | 3 |
| Weapons of mass destruction | 1 |