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| feed stream: 22 phrases in 9 subjects |
| Energy industry | 1 |
| Geology | 3 |
| Hydraulic engineering | 1 |
| Information technology | 2 |
| Makarov | 7 |
| Metallurgy | 1 |
| Polygraphy | 4 |
| Silicate industry | 1 |
| Technology | 2 |
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