 |
| |||
| carrier gas (для аквалангистов) | |||
| breathing air | |||
| breathing gas; respiratory gas; respired gas | |||
| breathing mixture (heliox-mixture of helium and oxygen used by divers) | |||
| diving gas; breathing mixture | |||
| дыхательная смесь: 24 phrases in 9 subjects |
| Astronautics | 4 |
| Caspian | 1 |
| General | 1 |
| Jargon | 1 |
| Medical | 5 |
| Medical appliances | 4 |
| Nautical | 2 |
| Physiology | 3 |
| Technology | 3 |