 |
|
data-recording system : 39 phrases in 13 subjects |
| Apollo-Soyuz | 1 |
| Astronautics | 2 |
| Aviation | 1 |
| Drilling | 1 |
| Energy industry | 1 |
| General | 1 |
| Military | 17 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Space | 1 |
| Technology | 9 |
| Telecommunications | 2 |
| Thermal engineering | 1 |