гашение: 211 phrases in 29 subjects |
Antennas and waveguides | 1 |
Astronautics | 1 |
Aviation | 8 |
Chemistry | 9 |
Computers | 10 |
Construction | 15 |
Electrical engineering | 1 |
Electronics | 16 |
Forestry | 1 |
General | 1 |
Hydraulic engineering | 18 |
Hydrography | 2 |
Information technology | 2 |
Medical | 1 |
Metallurgy | 5 |
Mining | 3 |
Natural resourses and wildlife conservation | 3 |
Nuclear physics | 1 |
Optics branch of physics | 1 |
Philately / stamp collecting | 3 |
Physics | 1 |
Radio | 20 |
Refrigeration | 1 |
Technology | 40 |
Television | 8 |
Trucks/Lorries | 8 |
Water supply | 1 |
Welding | 2 |
Радиоактивное излучение | 28 |