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| normes d'exploitation | |||
| English thesaurus | |||
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| OS | |||
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Operating Standards : 19 phrases in 9 subjects |
| Aviation | 3 |
| Communications | 1 |
| Corporate governance | 1 |
| Food service and catering | 5 |
| General | 4 |
| Name of organization | 1 |
| Pharmacy and pharmacology | 1 |
| Telecommunications | 1 |
| United Nations | 2 |