Question

1) Which is the operation of covering area of the
metal with molten solder? | पिघला हुआ सोल्डर के साथ
धातु के क्षेत्र को कवर करने वाला ऑपरेशन का नाम है?​

Answer 1

Solder is a metal alloy which melts at a lower temperature than the metals being soldered. Two types of solder are commonly used. One is a soft solder, which is an alloy of tin and lead. The other is a hard solder, which is an alloy of copper and zinc.