 |
| |||
| планово-предупредительный | |||
| schedule preventive: 10 phrases in 7 subjects |
| Metallurgy | 1 |
| Military | 2 |
| Oil and gas | 1 |
| Quality control and standards | 1 |
| Refrigeration | 1 |
| Technology | 3 |
| Telecommunications | 1 |
|
| |||
| планово-предупредительный | |||
| schedule preventive: 10 phrases in 7 subjects |
| Metallurgy | 1 |
| Military | 2 |
| Oil and gas | 1 |
| Quality control and standards | 1 |
| Refrigeration | 1 |
| Technology | 3 |
| Telecommunications | 1 |