|
alimentation de secours : 22 phrases in 12 subjects |
| Communications | 1 |
| Construction | 4 |
| Earth sciences | 1 |
| Electronics | 2 |
| Energy industry | 2 |
| General | 1 |
| Information technology | 2 |
| Law | 2 |
| Natural resourses and wildlife conservation | 1 |
| Politics | 1 |
| Thermal engineering | 3 |
| Transport | 2 |