How to make a water purification by thermocol show me images ....etc

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i want to know how to make a model of rain water harvesting?
hi i want a in formation to make a demo of rain water harvesting plz help me
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Dear sir,...

I am sharath and I am a student, I want more information about rain water harvesting, as I have decided to prepare academic project report on this topic, so please help me?

Please do the above needful,..

Thank you,... ....etc

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Information regarding the steps to prepare the model for rain water harvesting system ....etc

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hello I m Piyusha I would like to get details on how to do working model of rainwater harvesting using thermocol & l am living at junagadh & now am doing teacher I need help you


Rainwater Harvesting: Develop a Water Harvesting Model for the Neighbourhood
Rainwater harvesting refers to the collecting of rainwater, mostly on a roof, from where it flows through gutters into a collection tank. In other words, it refers to a storage system-could be either above or below the ground-that collects, stores and distributes run-off of rain or snow f ....etc

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Submitted By
DILEEP RAJ.K


ABSTRACT
Water is most abundant component on earth surface, constituting about 70% of the planet surface. Although some 70% of the Earth's surface is covered by water much of this is saline. However freshwater is available in almost all populated areas of the earth although it may be expensive to access the water and the supply may not always be sustainable. Only 4% of the available water is suitable for drinking purpose.
Throughout most of the world, the most common contamination ....etc

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RAINWATER HARVESTING AND ARTIFICIAL RECHARGE TO GROUND WATER


WHAT IS RWH?
RWH refers to collection and storage of rainwater and also other activity such as

harvesting surface water extracting ground water , prevention of loss through

evaporation and seepage


PURPOSES OF RWH
Stored for ready use in containers ground or below ground
Charged into the ground for withdrawal later


BENEFITS OF RWH
Rainwater harvesting prevents flooding of lowlying areas
Rain water harves ....etc

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Please guide me how to make a model of water pollution on thermocol sheet. ....etc

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How tp make quadrilateral model using thermacol ....etc

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INTRODUCTION
Rainwater harvesting is the accumulating and storing, of rainwater for reuse, before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses given to water. Rainwater collected from the roofs of houses, tents and local institutions, can make an important contribution to the availability of drinking water. Water collected from the ground, sometimes from areas which are especially prepared for this purpose, is called Storm ....etc

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