 |
| esto: 59 phrases in 13 subjects |
| Communications | 33 |
| Earth sciences | 1 |
| Electronics | 4 |
| Environment | 2 |
| General | 2 |
| Health care | 3 |
| Information technology | 6 |
| Mechanic engineering | 1 |
| Microsoft | 2 |
| Natural resourses and wildlife conservation | 2 |
| Power electronics | 1 |
| Power lines | 1 |
| Transport | 1 |