impurezas : 100 phrase in 15 subjects |
Agriculture | 3 |
Antennas and waveguides | 6 |
Chemistry | 15 |
Communications | 1 |
Earth sciences | 4 |
Electronics | 44 |
General | 3 |
Health care | 5 |
Industry | 3 |
Medical | 1 |
Metallurgy | 4 |
Piezoelectric crystals | 1 |
Semiconductors | 5 |
Technology | 2 |
Textile industry | 3 |