| |||
| содержание свинца | |||
|
lead content : 6 phrases in 5 subjects |
| Forestry | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Occupational health & safety | 2 |
| |||
| содержание свинца | |||
|
lead content : 6 phrases in 5 subjects |
| Forestry | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Occupational health & safety | 2 |