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Money goes through many hands after being released to the public.
It is inevitable that money could be exposed to a lot of germs.
The germs which could be found in money are more than those found in a toilet.The germs on money could be stopped by installing UV in the cash box.
UV turns on or off according to an operation of the cash box.
When it would be over 30 seconds after the cash box is closed, UV would turn off automatically for saving energy.
Money in the cash box has a small area to be cleaned by UV, because it is piled.
That area could be widened by a ventilation device which sends air into the cash box.
Korea Polytechnic Univ.
Siheung-si, Gyeonggi-do, South Korea