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| peer-to-peer | |||
| da pari a pari: 26 phrases in 13 subjects |
| Chemistry | 1 |
| Communications | 4 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Environment | 1 |
| Finances | 1 |
| General | 4 |
| Information technology | 2 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Transport | 4 |