spread: 75 phrases in 21 subjects |
Agriculture | 2 |
Agronomy | 2 |
Communications | 2 |
Construction | 4 |
Economy | 1 |
Education | 1 |
Environment | 1 |
Finances | 20 |
General | 21 |
Ichthyology | 1 |
Life sciences | 2 |
Lighting other than cinema | 1 |
Medical | 1 |
Microsoft | 2 |
Nuclear physics | 1 |
Plastics | 1 |
Power lines | 2 |
Radio | 4 |
Radiology | 1 |
Satellite communications | 4 |
Vacuum tubes | 1 |