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| maintenance work effort composition (MichaelBurov) | |||
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| repair man-hours (Alexander Demidov) | |||
| трудозатраты на ремонты: 14 phrases in 8 subjects |
| Aviation | 1 |
| Energy industry | 1 |
| Gas processing plants | 1 |
| Military | 3 |
| Oil and gas | 1 |
| Oil processing plants | 5 |
| Quality control and standards | 1 |
| Technology | 1 |