 |
| disposal of wastes: 46 phrases in 10 subjects |
| Electronics | 1 |
| Environment | 10 |
| General | 4 |
| Law | 4 |
| Name of organization | 3 |
| Natural resourses and wildlife conservation | 4 |
| Nuclear physics | 5 |
| Social science | 1 |
| Transport | 8 |
| United Nations | 6 |
|
| disposal of wastes: 46 phrases in 10 subjects |
| Electronics | 1 |
| Environment | 10 |
| General | 4 |
| Law | 4 |
| Name of organization | 3 |
| Natural resourses and wildlife conservation | 4 |
| Nuclear physics | 5 |
| Social science | 1 |
| Transport | 8 |
| United Nations | 6 |