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 |