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- the picture above shows the process of collecting water and purifying it to drinking water in Australia.
- it is obviously that 5 steps are included in the water process.
- first of all,the rain falls on the roof,which then goes through the gutter and comes to the drain pipes in the house.
- once the collected rain comes together,it goes down to the underground water filtering system,in which the collected rain is purified prelimitarily and then send to the water storage container.
- it is followed that the water will go through water treatment tank by chemicals put in for further treatment （ to be sterilized）.
- at the end,well-treated water is pressed and direct through the water pipe to the resident house for daily life.
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