 |
| hot cell: 9 phrases in 7 subjects |
| Astronautics | 1 |
| Electronics | 2 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Technology | 1 |
|
| hot cell: 9 phrases in 7 subjects |
| Astronautics | 1 |
| Electronics | 2 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Technology | 1 |