 |
| orificio: 222 phrases in 22 subjects |
| Agriculture | 27 |
| Chemistry | 11 |
| Coal | 5 |
| Construction | 3 |
| Criminal law | 1 |
| Earth sciences | 18 |
| Electronics | 6 |
| Environment | 1 |
| Finances | 1 |
| Fish farming pisciculture | 1 |
| General | 4 |
| Industry | 15 |
| Information technology | 8 |
| Life sciences | 2 |
| Materials science | 15 |
| Mechanic engineering | 43 |
| Medical | 29 |
| Metallurgy | 5 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 7 |
| Technology | 1 |
| Transport | 17 |