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Posted by on Apr 1, 2016 in TellMeWhy |

How Is Soap Made?

How Is Soap Made?

When you wash with soap, you are using a cleaning material made chiefly of animal fats, vegetable oils and an alkali chemical. In the soap factory, the soap materials...

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Posted by on Nov 16, 2015 in TellMeWhy |

What Is Hard Water?

What Is Hard Water?

“Hard” water is water that contains large amounts of dissolved minerals in contrast with “soft water”. The presence of these minerals in the water makes it difficult to...

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