 |
| |||
| тяжелые металлы (chajnik) | |||
| тяжёлые металлы | |||
| métaux lourds: 10 phrases in 4 subjects |
| Environment | 1 |
| Fishery fishing industry | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 7 |
|
| |||
| тяжелые металлы (chajnik) | |||
| тяжёлые металлы | |||
| métaux lourds: 10 phrases in 4 subjects |
| Environment | 1 |
| Fishery fishing industry | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 7 |