How can I make a good, less time consuming working model on water conservation?
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make a home with roof and also make a garden with soil and plant some artificial plants from your palm draw the water on the roof of the house and also make a pipe from roof to garden and inside your home notice that pipe in your home is only for show that it is. going through purification tank. and you have block the pipe secretely . than draw water from your hand on the roof of the house the water is drawned into garden and some outside work .
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