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channel type : 41 phrases in 12 subjects |
| Architecture | 1 |
| Communications | 1 |
| Compressors | 1 |
| Computer networks | 1 |
| Ecology | 1 |
| Electric machinery | 2 |
| Electronics | 4 |
| Hydraulics | 2 |
| Information technology | 1 |
| Metallurgy | 2 |
| Technology | 23 |
| Telecommunications | 2 |
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