Dear Student
-German Silver is an alloy of copper, zinc and nickel, sometimes also containing lead and tin.
-Stainless steel is a metal alloy, made up of steel mixed with elements such as chromium, nickel, molybdenum, silicon, aluminium, and carbon. Iron mixed with carbon to produce steel is the main component of stainless steel. Chromium is added to make it resistant to rust.
-Gunmetal, its a variety of bronze, gunmetal is composed of 88 percent copper, 10 percent tin, and 2 percent zinc
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