surface layer : 32 phrases in 12 subjects |
Chemistry | 1 |
Construction | 1 |
Electronics | 8 |
General | 1 |
Life sciences | 3 |
Metallurgy | 4 |
Microelectronics | 5 |
Natural resourses and wildlife conservation | 2 |
Optics branch of physics | 2 |
Physics | 2 |
Technology | 2 |
Transport | 1 |