abertas : 414 phrases in 52 subjects |
Accumulators | 3 |
Agriculture | 30 |
Astronautics | 2 |
Automatic control | 4 |
Brazil | 13 |
Chemistry | 11 |
Coal | 1 |
Communications | 29 |
Construction | 15 |
Earth sciences | 20 |
Economics | 9 |
Education | 13 |
Electric machinery | 1 |
Electric motors | 3 |
Electricity generation | 1 |
Electronics | 32 |
English | 1 |
Environment | 9 |
Finances | 10 |
Fish farming pisciculture | 2 |
General | 10 |
Health care | 1 |
Hobbies and pastimes | 2 |
Immigration and citizenship | 2 |
Industry | 36 |
Information technology | 28 |
Insurance | 1 |
Investment | 2 |
Law | 8 |
Life sciences | 5 |
Materials science | 5 |
Mechanic engineering | 26 |
Metallurgy | 7 |
Microsoft | 9 |
Mining | 1 |
Municipal planning | 2 |
Natural sciences | 2 |
Patents | 5 |
Pharmacy and pharmacology | 1 |
Physical sciences | 1 |
Physics | 1 |
Politics | 1 |
Power system protection | 1 |
Social science | 2 |
Sociology | 2 |
Statistics | 6 |
Taxes | 1 |
Technology | 16 |
Telephony | 1 |
Trade unions | 1 |
Transformers | 3 |
Transport | 16 |