M .F : 45 phrases in 16 subjects |
Astronomy | 2 |
Chemistry | 2 |
Communications | 3 |
Earth sciences | 2 |
Electric traction | 1 |
Electricity generation | 1 |
Electronics | 4 |
Industry | 18 |
Materials science | 1 |
Metallurgy | 1 |
Packaging | 2 |
Sound recording | 2 |
Technology | 2 |
Textile industry | 2 |
Transformers | 1 |
Wood processing | 1 |