invólucro : 104 phrases in 26 subjects |
Accumulators | 1 |
Agriculture | 8 |
Brazil | 1 |
Chemistry | 1 |
Coal | 1 |
Communications | 1 |
Earth sciences | 1 |
Electric motors | 3 |
Electricity generation | 1 |
Electronics | 20 |
Food industry | 2 |
General | 25 |
Health care | 4 |
Hobbies and pastimes | 7 |
Industry | 8 |
Isolation | 2 |
Materials science | 2 |
Mechanic engineering | 3 |
Medical | 2 |
Municipal planning | 1 |
Natural sciences | 1 |
Patents | 1 |
Politics | 1 |
Power system protection | 5 |
Technology | 1 |
Transport | 1 |