Figure 2 from A nonintrusive method for sparking assessment in brush(05) Save Image Image gallery: Which Of The Following Represents A Non-intrusive Method Of Assessment
![Noninvasive and nonintrusive methods [5] Download Scientific Diagram](https://www.researchgate.net/publication/263587600/figure/fig2/AS:528514421137410@1503019065811/Non-invasive-and-non-intrusive-methods-5.png "Noninvasive and nonintrusive methods [5] Download Scientific Diagram")
