 |
|
chlorure de polyvinyle : 23 phrases in 12 subjects |
| Chemical fibers | 1 |
| Chemistry | 3 |
| General | 1 |
| Health care | 1 |
| Industry | 2 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 5 |
| Plastics | 1 |
| Virology | 4 |
| Water resources | 2 |