The Family Handyman on MSN1 个月
How to Solder Wires
so it's quicker to use and less challenging to work than lead free solder. However, it's toxic and bad for the environment.
A 3D-printed hollow tube has a wire ferrule inserted in the end, which serves as the tip of the device through which solder is fed. The tube has a cutaway, which allows the user to feed solder ...