 |
| |||
| setting of environmental standards; hygienic rating | |||
| гигиеническое нормирование: 7 phrases in 4 subjects |
| Ecology | 3 |
| Medical | 2 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| setting of environmental standards; hygienic rating | |||
| гигиеническое нормирование: 7 phrases in 4 subjects |
| Ecology | 3 |
| Medical | 2 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |