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Bathroom is the wettest place of the house, and the humidity is higher about ten to twenty percent than any other places of the house. It is unhealthy for personal hygiene that the humidity
always makes the germs propagate, the bad smell in the bathroom, the high percentage of slipping.
SAVE & SAFE will lead the desiccative water into the tank. Then, people can use the water to flush and save the precious water source.