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|
umbral : 232 phrases in 31 subjects |
| Agriculture | 5 |
| Antennas and waveguides | 4 |
| Chemistry | 1 |
| Communications | 17 |
| Construction | 7 |
| Earth sciences | 8 |
| Ecology | 1 |
| Economy | 6 |
| Electric motors | 1 |
| Electronics | 55 |
| Environment | 11 |
| Finances | 14 |
| General | 2 |
| Health care | 24 |
| Information technology | 12 |
| International trade | 1 |
| Isolation | 4 |
| Law | 1 |
| Life sciences | 4 |
| Lighting other than cinema | 3 |
| Magnetics | 3 |
| Materials science | 1 |
| Mathematics | 2 |
| Mechanic engineering | 6 |
| Medical | 5 |
| Microsoft | 7 |
| Politics | 1 |
| Radio | 4 |
| Social science | 2 |
| Statistics | 4 |
| Transport | 16 |
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