 |
| oxygénation: 15 phrases in 8 subjects |
| Aviation | 1 |
| Construction | 1 |
| Food industry | 1 |
| Mechanic engineering | 1 |
| Medical | 6 |
| Medical appliances | 3 |
| Oceanography & oceanology | 1 |
| Oil and gas technology | 1 |
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