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The idea of WAO is to save water and reusing them conveniently. I found that we tend to waste water inadvertently, even if we try to take action to save them, it might be troublesome and inconvenient. In this case, I designed WAO to deal with it. WAO can simply wash fruits and vegetables and restore the remaining water for reusing in different purposes. It is a combination of sink and water dispenser which is able to decrease the wastage in daily life.