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In terms of previous detergent,
There is a spoon for detergent but the spoon can measure the exact amount of detergent.
because of this inefficient situation, there are lots of cleanser overuses and it cause environment pollution as well.
PUKYONG NATIONAL UNIVERSITY
BUSAN, South Korea
PUKYONG NATIONAL UNIVERSITY
BUSAN, South Korea
MINJI KIM
MINSEUMG LEE
JIYOON KIM
GWANGSEOB LIM
PUKYONG NATIONAL UNIVERSITY
BUSAN, South Korea
PUKYONG NATIONAL UNIVERSITY
BUSAN, South Korea