I made a coin cleaning machine from a printer and tested the 3 most accessible liquids: vinegar, Coca-Cola or hydrogen peroxide.
Негізгі бет Ғылым және технология Cleaning coins with various liquids: vinegar, Coca-Cola or hydrogen peroxide.
I made a coin cleaning machine from a printer and tested the 3 most accessible liquids: vinegar, Coca-Cola or hydrogen peroxide.
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