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| field engineering | |||
| maintenance organization | |||
| организация эксплуатации: 23 phrases in 12 subjects |
| Astronautics | 1 |
| Business | 1 |
| Cartography | 1 |
| Construction | 1 |
| Economy | 2 |
| Energy industry | 2 |
| General | 2 |
| Hacking | 1 |
| Mass media | 3 |
| Military | 6 |
| Oil / petroleum | 1 |
| Technology | 2 |