"Lava Gem 2021" me Bt waire Soldering stage par SOP me 380 +/-10 temprature diya hai jiske karn
1). Bt wire jal jane ke karn black ho jata hai
2).pad off hone ka chance rahta hai
3) bit tinning point black ho jata hai
Agar iska temprature 360 +/-10 ho jata hai to
To Deffect hone ka chance nahi hoga |
