| 摘要 |
PURPOSE: An economic washbowl is provided to save water consumption about three times more than a conventional washbowl. CONSTITUTION: An economic washbowl consists of two wash bowls. A first washbowl holds 6 liters of water and a second washbowl holds 1 liter of water. After softly washing a face with water in the first washbowl, bubbling a soap and rubbing the face, hands with soap bubbles are washed in the second washbowl. Then, the face is washed by clean water in the first washbowl.
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