 |
| atténuée: 28 phrases in 9 subjects |
| Astronautics | 1 |
| Dentistry | 2 |
| Food industry | 2 |
| Medical | 8 |
| Metallurgy | 1 |
| Military | 2 |
| Radio | 7 |
| Technology | 4 |
| United Nations | 1 |
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