soldering iron,how to clean soldering iron,soldering iron tips,soldering,iron,electric soldering,secrets of soldering iron,electric soldering method,soldering iron repair,soldering tricks and tips,soldering secrets,how to clean and re tin your soldering iron,put lemon on your electrical soldering iron and admire results,soldering iron tips and tricks,soldering iron tricks,put salt on your electrical soldering iron,soldering tips and tricks,soldering cable