| |||
| prévention de la pollution des mers; prévention de la pollution du milieu marin; prévention de la pollution par les navires | |||
|
prevention of pollution by ships : 14 phrases in 5 subjects |
| Environment | 2 |
| General | 5 |
| Obsolete / dated | 1 |
| Transport | 5 |
| United Nations | 1 |