It’s almost hard to believe that sodering dates back 3500-4000 BCE. I personallyhad no idea that practicw has been around that long.
The practice of soldering's pretty old. It took longer for someone to figure out spellcheck. Hey, I'll take a cheap shot, as long as I get one of these:
Bad typist, failed hitting the l key hard enough to register it, and didn’t bother to look at what I had typed.