Sorry but I really do not know what you're doing.
"55% disc-level" What are you discriminate? iron ???
"a little 16,25mm and just 2,3gram lightweight european one cent coin" of copper???
European cent is made of steel with a copper layer
94.35% steel
5.65% copper
"55% disc-level" What are you discriminate? iron ???
"a little 16,25mm and just 2,3gram lightweight european one cent coin" of copper???
European cent is made of steel with a copper layer
94.35% steel
5.65% copper
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