“Different industries use water in different ways. Most industries need water for heating, cooling and washing. Some industries use water to make food and drink. Almost all industries need more water than we need in home. Heavy industries, like power stations or chemical plants, use a lot of water.” (Chapter 4, Page 14~17)
I will tell you how important water is (Water World). I could know that water is the most important thing for us to stay alive. If you have little water or no one, you cannot drink anything, work in heavy industries, wash your body, and use any restrooms, so I would you like to make it a rule not to waste our precious water.
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