nostr:npub1c4sgd346sl9uh7mjhn99xjsu7t8dwm54kl6hxp3k0qyl4kz6v94qh5aqv4 :neofox_glasses:

solder is mostly tin, with a little bit of copper or (if high quality one is used) silver in it.

Additionaly something called rosin, who makes cancer!

https://en.wikipedia.org/wiki/Rosin

(Older solder had lead in it instead of Rosin, but is even worse for enviroment and health)

< /Smartassing>