1 个月
The Family Handyman on MSNHow to Solder Wiresso 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 ...
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