| referencemateriale | |
| industr. | outil de référence |
| work.fl. commun. | ouvrage de référence |
|
certificeret : 28 phrases in 10 subjects |
| Agriculture | 12 |
| Energy industry | 2 |
| Environment | 1 |
| General | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural sciences | 2 |
| Social science | 2 |
| Technology | 1 |
| Transport | 5 |