 |
| |||
| superimposed pre-distillation retort; superimposed pre-distillation retort (газогенератора) | |||
| superimposed retort | |||
| low-temperature carbonization shaft; fuel distillation bell | |||
| швельшахта: 10 do fraz, 4 tematyki |
| Chemia | 2 |
| Makarowa | 1 |
| Ropa / ropa naftowa | 4 |
| Technika i technologia | 3 |