 |
| effondrement: 76 phrases in 18 subjects |
| Communications | 1 |
| Computers | 3 |
| Construction | 6 |
| Earth sciences | 21 |
| Economy | 2 |
| Electronics | 3 |
| Environment | 1 |
| Finances | 8 |
| Fish farming pisciculture | 1 |
| General | 5 |
| Geography | 3 |
| Health care | 1 |
| Life sciences | 8 |
| Materials science | 2 |
| Medical | 1 |
| Metallurgy | 6 |
| Natural sciences | 2 |
| Textile industry | 2 |