 |
halogenated | hydrocarbon
| hydrocarbon | |
| chem. | hiilivedyt |
| econ. | hiilivety |
| environ. | hiilivety |
| hydrocarbons | |
| chem. | hiilivedyt |
| halogenated: 48 phrases in 4 subjects |
| Chemistry | 20 |
| Earth sciences | 3 |
| Environment | 23 |
| Industry | 2 |