 |
|
warning indicator : 95 phrases in 13 subjects |
| Astronautics | 3 |
| Automobiles | 7 |
| Aviation | 8 |
| Electronics | 1 |
| Medical | 4 |
| Meteorology | 1 |
| Military | 10 |
| Natural resourses and wildlife conservation | 1 |
| Radioengineering | 1 |
| Space | 21 |
| Technology | 34 |
| Torpedoes | 1 |
| Transport | 3 |