 |
|
low-temperature carbonization : 13 phrases in 7 subjects |
| Chemistry | 3 |
| Energy industry | 1 |
| General | 2 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 3 |
| Technology | 2 |
|
|
low-temperature carbonization : 13 phrases in 7 subjects |
| Chemistry | 3 |
| Energy industry | 1 |
| General | 2 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 3 |
| Technology | 2 |