retraitement: 61 phrases in 13 subjects |
Chemistry | 3 |
Coal | 1 |
Earth sciences | 2 |
Economy | 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 |