| |||
| noxious material; noxious substance; harmful substance; harmful material; polluting material; toxic substance | |||
| |||
| poisonous substances acute | |||
|
matiere toxique : 8 phrases in 2 subjects |
| General | 1 |
| Natural resourses and wildlife conservation | 7 |
| |||
| noxious material; noxious substance; harmful substance; harmful material; polluting material; toxic substance | |||
| |||
| poisonous substances acute | |||
|
matiere toxique : 8 phrases in 2 subjects |
| General | 1 |
| Natural resourses and wildlife conservation | 7 |