​Lead/zinc

What is lead-zinc system?

leadis a very soft metal and, in the case of thin lead sheets, is the material of metal that can be cut with scissors. Lead is used in the electrode plates of weights for fishing, etc., and batteries for automobiles, etc.

zincis the second most popular metal material such as copper and aluminum.
Mainly used for zinc glasses, bubble grips and zinc ingots.
(Zinc is also used in medicines because it is a necessary component for the human body.)