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matériau : 70 phrases in 12 subjects |
| Chemistry | 3 |
| Construction | 30 |
| Economy | 6 |
| Environment | 12 |
| Food industry | 1 |
| Forestry | 2 |
| General | 5 |
| Materials science | 3 |
| Microsoft | 4 |
| Mineral products | 2 |
| Nuclear physics | 1 |
| Technology | 1 |
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