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| travaux à ciel ouvert; abattage au jour | |||
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Open Working : 55 phrases in 11 subjects |
| Agriculture | 3 |
| Coal | 1 |
| Communications | 2 |
| Earth sciences | 2 |
| Electronics | 3 |
| Environment | 5 |
| General | 5 |
| Life sciences | 3 |
| Name of organization | 20 |
| Technology | 1 |
| United Nations | 10 |