Surface free energy (SFE) determined by OWRK of the anodic layers(01) Save Image Image gallery: Sfe Energy California Cancellation
![How to Cancel Your SFE Energy Bills [Step by Step]](https://dvo14rqtr1m20.cloudfront.net/learn/wp-content/uploads/sites/4/2022/02/Screen-Shot-2022-02-24-at-5.40.41-PM.png "How to Cancel Your SFE Energy Bills [Step by Step]")
