|
performance degradation : 21 phrases in 15 subjects |
| Accounting | 1 |
| Apollo-Soyuz | 1 |
| Astronautics | 3 |
| Cables and cable production | 1 |
| Economics | 1 |
| Electricity | 1 |
| Energy industry | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Non-destructive testing | 2 |
| Oil / petroleum | 1 |
| Quality control and standards | 1 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |