regenerador : 30 phrases in 13 subjects |
Agriculture | 3 |
Antennas and waveguides | 1 |
Chemistry | 1 |
Communications | 3 |
Electronics | 3 |
General | 2 |
Industry | 7 |
Information technology | 3 |
Metallurgy | 1 |
Power lines | 2 |
Radio | 2 |
Satellite communications | 1 |
Telegraphy | 1 |