1. the soldering iron insertion clean tinsel, eliminates soldering iron on the remaining solder.
2. is sure not the clean tinsel to treat as the sponge, with by the scanning soldering iron head, because of the clean silk's spring movement, possibly splashes the soldering iron on dissolve remaining solder, be please careful.
3.when replaces the clean tinsel, puts on the glove, careful do not sprinkle broken the soldering tin, please set upright is turning on the box.