When coming into contact with oxygen, metals can change color, which is why their maintenance and cleaning is vital to protect and safeguard them.
In the case of copper , the corrosion process causes an unsightly brown patina. In the case of brass , however, dirt produces a black patina.
To avoid stains, you can adopt some simple natural measures, which allow us to have copper and brass pots and objects so shiny that they seem like new.
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