Cov kauj ruam kom raug siv lub tshuab hluav taws xob tshiab
1. Thaum soldering nrog hluav taws xob soldering hlau, txuas cov hluav taws xob soldering hlau rau lub hwj chim mov.
2. Tom qab ntau tshaj kaum vib nas this, rub nws nrog hlau sandpaper ob peb zaug thiab tam sim ntawd muab tso rau hauv lub rosin los tiv thaiv lub soldering hlau taub los ntawm oxidation.
3. Rau lub taub hau ntawm cov hlau soldering, siv cov hlau nplaum los tiv thaiv qhov taub ntawm cov hlau soldering. kom nws tsis rov qab oxidation
