 |
| |||
| industrial wastes utilization | |||
| production materials recovery | |||
| scrap recovery; waste disposal (Челядник Евгений) | |||
| materials recovery | |||
| утилизация отходов производства: 9 phrases, 6 sujets |
| Armes de destruction massive | 1 |
| Écologie | 4 |
| Général | 1 |
| Génie mécanique | 1 |
| Karachaganak | 1 |
| Transformation du bois | 1 |