|
indicating controller : 27 phrases in 13 subjects |
| Automated equipment | 2 |
| Caspian | 8 |
| Ecology | 1 |
| Energy industry | 2 |
| Gas processing plants | 1 |
| General | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Polymers | 1 |
| Technology | 4 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |