 |
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| lançage | |||
| méthode du jet | |||
| nettoyage au jet d'eau; abattage hydraulique | |||
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jetting : 13 phrases in 8 subjects |
| Construction | 1 |
| Earth sciences | 1 |
| Environment | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 3 |
| Water resources | 2 |