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How to solder:
*/Prepare soldering wire and electronic soldering iron. */Contact the soldering iron with solder joint. */Place the solder wire on the soldering point when the welding material is heated to the temperature that the solder can melt. */When a certain amount of solder is melted, remove the solder wire. */Remove the electronic soldering iron at an angle of about 45° when the solder joint has been completely wetted with solder.