sumideros : 39 phrases in 13 subjects |
Agriculture | 3 |
Communications | 1 |
Construction | 1 |
Electronics | 1 |
Environment | 13 |
General | 1 |
Information technology | 2 |
Mechanic engineering | 1 |
Nuclear physics | 2 |
Pest control | 1 |
Technology | 4 |
Transport | 1 |
United Nations | 8 |