Sacrificial anode method of removing rust corrosion from hand tools and other smallish steel objects.
Casting a brass cup from scrap metal. https://youtube.com/shorts/RoySIzecaVA?si=h3zBq9IeWRyqOH3U Casting a brass mirror from scrap metal. https://youtube.com/shorts/oBhIB5p5I-U?si=40JejTYgFI_ogsqM
I didn't even notice that was a drill press. I thought it was some old commie era eastern European mixer.