Solder wire

Instructions
A. In use, in order to obtain a good welding effect, the welded parts must be welded, and the welded money B. The surface should be kept clean and using the appropriate lead -free iron head. After opening the soldering iron switch, the temperature of the soldering iron rises to the required operating temperature before welding.
C. The operator's head should be 20cm away from the pad.
When the soldering iron is not in use, a layer of tin should be placed on the soldering iron, and the power switch should be turned off.
D The operating area should cooperate with the appropriate air purifier