envelhecimento : 126 phrases in 24 subjects |
Agriculture | 9 |
Chemistry | 2 |
Communications | 2 |
Demography | 3 |
Economy | 2 |
Electronics | 3 |
Environment | 2 |
Food industry | 1 |
Forestry | 1 |
General | 23 |
Health care | 2 |
Industry | 17 |
Isolation | 2 |
Labor law | 2 |
Materials science | 7 |
Mathematics | 1 |
Mechanic engineering | 2 |
Metallurgy | 22 |
Natural sciences | 3 |
Piezoelectric crystals | 1 |
Reliability | 3 |
Social science | 3 |
Technology | 10 |
Transport | 3 |