| |||
| fibra artificiale | |||
| fibra sintetica | |||
|
fibra artificial : 20 phrases in 5 subjects |
| Chemistry | 1 |
| Environment | 5 |
| Industry | 9 |
| Packaging | 3 |
| Textile industry | 2 |
| |||
| fibra artificiale | |||
| fibra sintetica | |||
|
fibra artificial : 20 phrases in 5 subjects |
| Chemistry | 1 |
| Environment | 5 |
| Industry | 9 |
| Packaging | 3 |
| Textile industry | 2 |