 |
| concentrador: 69 phrases in 15 subjects |
| Chemistry | 1 |
| Communications | 9 |
| Earth sciences | 1 |
| Electronics | 5 |
| Energy industry | 9 |
| Environment | 5 |
| General | 2 |
| Information technology | 14 |
| Life sciences | 5 |
| Microsoft | 9 |
| Radio | 1 |
| Technology | 2 |
| Telecommunications | 2 |
| Telegraphy | 3 |
| Thermal Energy | 1 |