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According to an FDA report, 48 million suffer from food poisoning in the US every year, and the consequent social cost amounts to approximately KRW 10 billion. The water tap of the wash basin faucet senses microorganisms or impurities by means of a microscope and shows them with a projector. This will make it possible to save more life and prevent diseases or infection. There will be no one who sees germs on his hand and overlook them.
Gumi, South Korea
YOUNG HYUN KIM,