 |
| |||
| метод окрашенных струй | |||
| colour band: 5 phrases in 5 subjects |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Textile industry | 1 |
| Water resources | 1 |
|
| |||
| метод окрашенных струй | |||
| colour band: 5 phrases in 5 subjects |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Textile industry | 1 |
| Water resources | 1 |