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| Opérations techniques; Opér. techn. | |||
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Technical Operations : 138 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 102 |
| Construction | 1 |
| Economics | 3 |
| Energy industry | 1 |
| Finances | 1 |
| General | 4 |
| Materials science | 4 |
| Military | 1 |
| Name of organization | 14 |
| Transport | 2 |
| United Nations | 4 |