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service and maintenance : 32 phrases in 15 subjects |
| Advertising | 1 |
| Airports and air traffic control | 2 |
| Aviation | 2 |
| British usage, not spelling | 1 |
| Computer networks | 1 |
| Economics | 1 |
| Energy industry | 1 |
| General | 5 |
| Health care | 1 |
| Makarov | 1 |
| Military | 8 |
| Oil and gas | 2 |
| Pharmacy and pharmacology | 1 |
| Sakhalin | 3 |
| Technology | 2 |