Özet:

Water is a esential for our lives as well as the air we breathe. Although most of the earth is covered with water which is not always ready for human consumption. About 2.5 billion people live with insufficient clean water and 750 million people do not have access to safe water. Non-clean water or insufficient water resources have been causing people and animals to become ill for years and even end their lives. Furthermore, the natural water cycle, occured between the rain falling from the sky and the water consumed from the wells or the tap, require a long time. Water service industries include public or private institutions that attract, carry, process and refine water. 

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