Water is a vitalizing force for sustaining life on earth. About 1/3rd of world?s population depend on groundwater sources for survival. The individual requirements of water are 135 liters per day, equivalent to 49,275 liters per annum. With steady increasing population and increase in demand for water, the management for water has become a topic of serious concern. There are various techniques of wastewater management which improve the quality of water and which can be used for many purposes. . Decentralized water management is one such solutio ....etc

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hi am M Sajawal i would like to get details on water melon seeds as acost effective water purifier .. mu friend awais said water melon seeds as a cost effective waer purifier will be available here and now i am living at pakistan and i last studied in university nfc iet multan and am doing that.i need help,plz give me data about this ....etc

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With the increase in population, natural resources of water are being polluted. Ozone technology reveals one of the most efficient and effective method of achieving pollution removal in water. Ozone is the most powerful broad spectrum microbiological control or disinfecting agent available for water treatment. It is highly reactive and unstable. Considering chlorine which is the most commonly used water disinfectant chemical, O3 is 15% stronger oxidizer and kills bacteria 3000 times faster. The important advantage of O3 is that it produces no t ....etc

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Recycle means to recover useful materials from garbage or waste or it can also be defined as to extract and reuse. While recycling is a term generally applied to aluminium cans, glass bottles & newspaper, water can be recycled as well. Nature reuses & recycles its resources without creating toxic dumps or polluted waterways. By imitating nature we can learn to recycle our wastewater relatively inexpensively, with minimal distribution cost &the bonus of reclaimed resources. Scientists are now recognizing the simplicity and effectiveness of natur ....etc

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STUDENT NAME:JULIUS J. NYINDA
JULIUS J. NYINDA

SUPERVISOR: N.G. NZOWA

INTRODUCTION
A water meter is a device that is used to measure the volume of water usage.
A prepaid water control circuit system is a control mechanism that allows water usage when there is a certain amount of prepaid units in the control circuit system and terminates water usage when the units are over.
In such a system, a customer purchases a separate prepaid credit card with values o ....etc

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