How Is Soap Manufactured?
How Is Soap Manufactured? Soap is made largely from fats or oil, with a variety of other ingredients. Before the introduction of soap in the 1st Century A.D. people...
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When Does Color Fade?
When Does Color Fade? An article’s color fades when subjected to a chemical reaction in which oxygen is released. This oxygen combines with the natural coloring matter...
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How Are Inks Made?
How Are Inks Made? Ink is a liquid that is used to write, draw, print, or make marks. The word ink is from Latin and means “colored water”. Ink is used in...
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