concentrator: 113 phrases in 23 subjects |
Agriculture | 2 |
Aviation | 1 |
Chemistry | 2 |
Communications | 25 |
Computers | 4 |
Construction | 2 |
Earth sciences | 1 |
Electronics | 10 |
Energy industry | 14 |
Environment | 3 |
General | 4 |
Information technology | 16 |
Life sciences | 14 |
Medical | 1 |
Metallurgy | 3 |
Natural resourses and wildlife conservation | 1 |
Physical sciences | 1 |
Radio | 1 |
Technology | 3 |
Telecommunications | 2 |
Telegraphy | 1 |
Thermal Energy | 1 |
Transport | 1 |