CAUTION
1.When the soldering iron is plugged in for the first time,there comes out a smoke from the tip end.The smoke stops in a short while and a smoke never comes out again.
2.Use soldering stand and other aids to avoid burnt fingers.
3.Don't pull the soldering iron tip outward and use it,it will shorten the heating element life.
4.After finish the works,cook it down naturally.
5.Don't file the long lite tip face.