 |
| |||
| appropriate technology (raf) | |||
| приемлемая технология: 11 phrases in 5 subjects |
| Ecology | 5 |
| Environment | 1 |
| Makarov | 1 |
| Technology | 3 |
| Water supply | 1 |
|
| |||
| appropriate technology (raf) | |||
| приемлемая технология: 11 phrases in 5 subjects |
| Ecology | 5 |
| Environment | 1 |
| Makarov | 1 |
| Technology | 3 |
| Water supply | 1 |