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In public toilet, either liquid or solid soap is provided. But it placed separately which doesn't look nice visually. Also it is inconvenient for a user needed to go there oneself to get a liquid soap. So I tried to solve this kind of problem by combining the faucet and liquid soap. Press down the faucet, then the liquid soap comes out. Press up the faucet, then the water comes out.
Seoul, South Korea
Jae il, Bae,