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Typically, after the tap water runs out, people will turn off the faucet tightly. But sometimes it happens that the faucet did not be turned off tightly so the water would be wasted a lot. Therefore, principle of audible by Shishi-odoshi (Water-filled bamboo tube in Japanese garden which clacks against a stone when emptied), I designed this device.
This device is placed at faucet outlet. Leaking water will accumulate in the bottom of the groove. After the water is full, empty the water groove flip,then restore the unit to its original position. At the same time it will knock out the sound to remind people that the faucet didn't be tightened.
Chung Hua University (Hsinchu / Taiwan)
Hsinchu City, Taiwan