|
volatile solid : 21 phrases in 7 subjects |
| Construction | 1 |
| Ecology | 6 |
| Energy industry | 6 |
| Military | 3 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 2 |
| Weapons of mass destruction | 2 |
|
volatile solid : 21 phrases in 7 subjects |
| Construction | 1 |
| Ecology | 6 |
| Energy industry | 6 |
| Military | 3 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 2 |
| Weapons of mass destruction | 2 |