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| ferrous | |||
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| blueprint | |||
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ferro : 74 phrases in 13 subjects |
| Astronomy | 1 |
| Book binding | 1 |
| Chemistry | 13 |
| Computers | 1 |
| Construction | 2 |
| Economics | 1 |
| Electronics | 8 |
| General | 1 |
| Industry | 4 |
| Metallurgy | 36 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 3 |