wrijving : 44 phrases in 13 subjects |
Antennas and waveguides | 1 |
Chemistry | 1 |
Earth sciences | 8 |
Electronics | 3 |
General | 11 |
Hobbies and pastimes | 1 |
Information technology | 1 |
Materials science | 4 |
Measuring instruments | 4 |
Mechanic engineering | 3 |
Medical | 1 |
Metallurgy | 3 |
Transport | 3 |