 |
| pressure breathing: 45 phrases in 13 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 5 |
| Aviation | 3 |
| Aviation medicine | 7 |
| Biology | 1 |
| Firefighting and fire-control systems | 2 |
| GOST | 2 |
| Makarov | 3 |
| Material safety data sheet | 1 |
| Medical | 15 |
| Medical appliances | 3 |
| Nuclear and fusion power | 1 |
| Production | 1 |