From the plot please provide an explanation:

$1.$ Background

$2.$ Basic principles of the above electrochemical technique $($how they work and what information you expect from those data$)$

$3.$ Annotate the graphs with the critical points and regions $($such as anodic branch, cathodic branch, passive$/$active zones, etc.$)$

$4.$ Interpret the graph in a clear and professional way $($no need for in$-$depth insights$)$

$5.$ Summary$/$recommendations $($benefits$/$shortcoming$/$how to use them to understand corrosion in the real work etc.$)$