 |
| cleanup operations: 5 phrases in 5 subjects |
| Environment | 1 |
| Intelligence and security services | 1 |
| Oilfields | 1 |
| Production | 1 |
| Programming | 1 |
|
| cleanup operations: 5 phrases in 5 subjects |
| Environment | 1 |
| Intelligence and security services | 1 |
| Oilfields | 1 |
| Production | 1 |
| Programming | 1 |