Your post should have the word propaganda instead of science.
Oops, i didn't see the word Indonesia in the post, that explains a lot to me.
Don't hang around by the scientific community, rather just leave your post by religion and i will respect your opinion.
A human with a positive charge is impossible, it is the flow of electron with gives us a charge. This charge is always negative.
Test can be done with a multimeter.
This method of grounding is outdated because of the words, seek knowledge from the cradle to the grave, and we advanced in most aspects not all.

The chance of you being educated scientifically is also impossible or you behind or slow.
i cant do all of your homework for you, but here is some,
My intentions isn't to help sell product