 |
| contacto: 903 phrases in 36 subjects |
| Agriculture | 2 |
| Astronautics | 1 |
| Business | 1 |
| Chemistry | 48 |
| Commerce | 1 |
| Communications | 15 |
| Construction | 8 |
| Cultural studies | 2 |
| Earth sciences | 52 |
| Economy | 3 |
| Electronics | 264 |
| Environment | 5 |
| Finances | 11 |
| Food industry | 1 |
| General | 137 |
| Health care | 17 |
| Human rights activism | 1 |
| Immigration and citizenship | 2 |
| Industry | 17 |
| Information technology | 33 |
| Insurance | 3 |
| Labor law | 5 |
| Law | 5 |
| Life sciences | 5 |
| Materials science | 5 |
| Mathematics | 1 |
| Mechanic engineering | 63 |
| Medical | 54 |
| Metallurgy | 17 |
| Microsoft | 45 |
| Natural sciences | 10 |
| Politics | 2 |
| Social science | 2 |
| Statistics | 1 |
| Technology | 18 |
| Transport | 46 |