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Subject
- Petroleum refineries[remove]13
- Oil fields10
- Petroleum pipelines9
- Gas fields7
- Maps5
- Petroleum shipping terminals5
- Natural gas4
- Natural gas pipelines4
- Pipelines4
- Gas pipelines3
- Coal2
- Petroleum2
- Power resources2
- Boundaries1
- China1
- Fossil fuels1
- Natural gas pipeline compressor stations1
- Petroleum products1
- Petroluem1
- Railroads1
