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| углерод | |||
| карбонадо (чёрный технический алмаз) | |||
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carbon : 30 phrases in 14 subjects |
| Agriculture | 2 |
| Aviation | 1 |
| Chemistry | 5 |
| Electronics | 2 |
| Forestry | 3 |
| General | 1 |
| Geology | 5 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Polygraphy | 1 |
| Radio | 1 |
| Resins | 1 |
| Technology | 1 |
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