 |
| |||
| oil refining The separation of petroleum mixtures into their component parts; oil refining | |||
| mineral oil refining | |||
| raffinage de pétrole: 4 phrases in 1 subject |
| Environment | 4 |
|
| |||
| oil refining The separation of petroleum mixtures into their component parts; oil refining | |||
| mineral oil refining | |||
| raffinage de pétrole: 4 phrases in 1 subject |
| Environment | 4 |