 |
| |||
| загрязняющее вещество; загрязняющее вещество (AD) | |||
| polluting substance: 4 phrases in 4 subjects |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| Water supply | 1 |
|
| |||
| загрязняющее вещество; загрязняющее вещество (AD) | |||
| polluting substance: 4 phrases in 4 subjects |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| Water supply | 1 |