My job now is to weld headphones. Is this harmful to my health?

The dosage of heating sublimation tin is very small and can be ignored; Rosin is harmless to the body, and it doesn't matter if you eat it by mistake; However, there is a thin layer of white flux in the center of tin-plated covered electrode, and its composition is very complicated. The smoke emitted during heating is harmful to the body, and there is lead in the solder.