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| English thesaurus | |||
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| OAD | |||
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Operational Availability : 37 phrases in 11 subjects |
| Aviation | 2 |
| Economics | 1 |
| Energy industry | 2 |
| Mass media | 1 |
| Military | 6 |
| Oil / petroleum | 4 |
| Oil processing plants | 12 |
| Quality control and standards | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 1 |