persistent | |
environ. chem. | persistant |
carbonhydrid | |
chem. | hydrocarbures cancérogènes |
environ. | hydrocarbure |
| |||
persistant |
persistent : 36 phrases in 9 subjects |
Agriculture | 1 |
Chemistry | 5 |
Energy industry | 1 |
Environment | 22 |
Health care | 1 |
Insurance | 1 |
Mathematics | 1 |
Medical | 3 |
Statistics | 1 |