"Hey, you're talking to my guy all wrong. It's the wrong tone. Do it again, I'll stab you in the face with a soldering iron." Joe Dirt (2001) While we don't recommend using your soldering iron for homicide, we DO recommend following this guide to determine which tips you'll need for your project. Soldering is probably a lot older than you'd think. It dates back to at least 3,000 B.C. where the Sumer people of Mesopotamia used soldering to assemble their swords. Historically, soldering was used mainly for jewelry, cookware, and stained glass. Today it is widely used in electrical work and electronics. If you're…