 |
| |||
| substance group | |||
| grupo de sustancias: 10 phrases in 7 subjects |
| Chemistry | 1 |
| Ecology | 2 |
| Electronics | 1 |
| General | 3 |
| Name of organization | 1 |
| Social science | 1 |
| United Nations | 1 |
|
| |||
| substance group | |||
| grupo de sustancias: 10 phrases in 7 subjects |
| Chemistry | 1 |
| Ecology | 2 |
| Electronics | 1 |
| General | 3 |
| Name of organization | 1 |
| Social science | 1 |
| United Nations | 1 |