rayo: 614 phrases in 26 subjects |
Antennas and waveguides | 19 |
Astronautics | 2 |
Aviation | 99 |
Biology | 3 |
Bookish / literary | 1 |
Chemistry | 11 |
Dermatology | 1 |
Ecology | 1 |
Electrical engineering | 1 |
Electronics | 125 |
Environment | 1 |
Fish farming pisciculture | 15 |
General | 53 |
Geology | 62 |
Geophysics | 3 |
Informal | 6 |
Laboratory equipment | 1 |
Medical | 46 |
Metallurgy | 1 |
Nonstandard | 2 |
Oil / petroleum | 5 |
Oil and gas | 1 |
Packaging | 7 |
Physics | 2 |
Radio | 1 |
Technology | 145 |