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ativação : 102 phrases in 22 subjects |
| Brazil | 8 |
| Chemistry | 5 |
| Communications | 9 |
| Earth sciences | 7 |
| Economy | 1 |
| Electronics | 11 |
| Environment | 1 |
| General | 3 |
| Health care | 2 |
| Industry | 1 |
| Information technology | 17 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Medical | 11 |
| Metallurgy | 5 |
| Microsoft | 10 |
| Nuclear physics | 1 |
| Scientific | 1 |
| Social science | 1 |
| Sociology | 1 |
| Technology | 3 |
| Transport | 1 |
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