Thought this was a very simple intro to wire types and may prove helpful, especially for the guys wondering why their coils do not last long.
https://www.gearbest.com/blog/how-t...-vs-stainless-steel-vs-nichrome-vape-wire-776
https://www.gearbest.com/blog/how-t...-vs-stainless-steel-vs-nichrome-vape-wire-776