| |||
| tamis métallique | |||
|
wire screen : 8 phrases in 6 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Packaging | 1 |
| Technology | 1 |
| |||
| tamis métallique | |||
|
wire screen : 8 phrases in 6 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Packaging | 1 |
| Technology | 1 |