 |
| niveau de bruit: 59 phrases in 14 subjects |
| Astronomy | 2 |
| Automated equipment | 1 |
| Communications | 1 |
| Construction | 2 |
| Earth sciences | 21 |
| Electric motors | 1 |
| Electronics | 12 |
| Environment | 7 |
| General | 2 |
| Health care | 3 |
| Information technology | 3 |
| Mechanic engineering | 1 |
| Natural resourses and wildlife conservation | 2 |
| Transport | 1 |