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| железо-марганец | |||
| iron-manganese: 28 phrases in 12 subjects |
| Agrochemistry | 2 |
| Automated equipment | 1 |
| Construction | 2 |
| General | 1 |
| Geology | 2 |
| Gold mining | 1 |
| Makarov | 6 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 3 |
| Technology | 5 |
| Transport | 1 |