On the left side in its original condition and on the right after repeated exposure to sparks of an intensity round 0.03 J, 2500 V in its immediate vicinity (both are one and the same sample before and after the experiment).
Upande wa kushoto katika hali yake ya awali na juu ya haki baada ya mfiduo unaorudiwa cheche ya ukali wa pande zote 0.03 J, 2500 V katika sehemu za jirani yake ya mara moja (wote ni moja na sampuli Same kabla na baada ya majaribio).