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| required maintenance | |||
| необходимое обслуживание: 29 phrases in 12 subjects |
| Armored vehicles | 2 |
| Aviation | 5 |
| Databases | 1 |
| Economy | 2 |
| Electronics | 1 |
| Energy industry | 2 |
| Fishery fishing industry | 1 |
| Gas processing plants | 1 |
| Makarov | 1 |
| Mass media | 6 |
| Military | 2 |
| Technology | 5 |