extinção : 120 phrases in 27 subjects |
Agriculture | 10 |
Chemistry | 3 |
Coal | 9 |
Commerce | 1 |
Communications | 2 |
Customs | 1 |
Earth sciences | 6 |
Electric traction | 2 |
Electronics | 17 |
Environment | 9 |
Forestry | 1 |
General | 3 |
Industry | 2 |
Information technology | 1 |
Insurance | 2 |
Isolation | 1 |
Law | 11 |
Life sciences | 1 |
Materials science | 26 |
Metallurgy | 3 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 1 |
Patents | 1 |
Physical sciences | 2 |
Power electronics | 2 |
Transformers | 1 |
Vacuum tubes | 1 |