 |
| |||
| production materials recovery | |||
| industrial wastes utilization | |||
| scrap recovery; waste disposal (Челядник Евгений) | |||
| materials recovery | |||
| утилизация отходов производства: 9 phrases in 6 subjects |
| Ecology | 4 |
| General | 1 |
| Karachaganak | 1 |
| Mechanic engineering | 1 |
| Weapons of mass destruction | 1 |
| Wood processing | 1 |