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|
umbral : 227 phrases in 33 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 3 |
| Chemistry | 1 |
| Communications | 20 |
| Construction | 5 |
| Earth sciences | 12 |
| Economy | 6 |
| Electronics | 59 |
| Environment | 11 |
| Finances | 10 |
| General | 1 |
| Health care | 22 |
| Industry | 1 |
| Information technology | 12 |
| Isolation | 4 |
| Law | 1 |
| Life sciences | 3 |
| Lighting other than cinema | 3 |
| Magnetics | 3 |
| Marketing | 1 |
| Materials science | 1 |
| Mathematics | 1 |
| Mechanic engineering | 4 |
| Medical | 6 |
| Metallurgy | 1 |
| Microsoft | 9 |
| Politics | 1 |
| Radio | 2 |
| Radiology | 1 |
| Social science | 2 |
| Statistics | 3 |
| Transport | 16 |
| Vacuum tubes | 1 |
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