|
retraitement : 61 phrases in 13 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Earth sciences | 2 |
| Economics | 1 |
| Electronics | 1 |
| Energy industry | 3 |
| Environment | 9 |
| Finances | 4 |
| General | 10 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 3 |
| Nuclear and fusion power | 2 |
| Nuclear physics | 21 |