 |
| |||
| permissible activity level; tolerance activity level | |||
| допустимый уровень активности: 3 phrases in 3 subjects |
| Ecology | 1 |
| Makarov | 1 |
| Technology | 1 |
|
| |||
| permissible activity level; tolerance activity level | |||
| допустимый уровень активности: 3 phrases in 3 subjects |
| Ecology | 1 |
| Makarov | 1 |
| Technology | 1 |