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| extractors for mines; haulage apparatus mining | |||
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extractoras : 22 phrases in 11 subjects |
| Agriculture | 3 |
| Chemistry | 3 |
| Earth sciences | 1 |
| Environment | 1 |
| General | 7 |
| Horticulture | 1 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Municipal planning | 2 |
| Natural sciences | 1 |
| Technology | 1 |