 |
| |||
| fuel | |||
| firewood | |||
| Brennmaterial: 12 phrases in 6 subjects |
| Chemistry | 1 |
| Economy | 1 |
| Electronics | 1 |
| Environment | 7 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| fuel | |||
| firewood | |||
| Brennmaterial: 12 phrases in 6 subjects |
| Chemistry | 1 |
| Economy | 1 |
| Electronics | 1 |
| Environment | 7 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |