Solder comes in many sizes and compositions depending ... Then heat up the soldering gun and wipe off the tip with the sponge ...

A security measure when selling, giving away or retiring a computer. A file wipe completely erases the data from the hard disk. When a file is deleted in an application or file manager ...

Aluminum doesn’t solder well, and that’s because of the oxide layer that rapidly forms on the surface. [Ted]’s solution is to scour the aluminum with some mineral oil. The goal is to scrape ...