How to make silver?

How to make silver

Silver was first obtained in sixteenth-century Mexico by a method called the courting process. It consisted of mixing silver ore, salt, …

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How salt is made?

How salt is made

How salt is made – In our ordinary life, we use salt. Today salt has become a very important part of our …

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How tofu is made?

How tofu is made

Tofu is a highly versatile and nutritious food made from soybean curd. Although the word “tofu” is Japanese, the food …

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