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Soap is likely to be exposed to water. This is unsanitary and a waste. Also cause environmental pollution. By using a thin slice of soap it can be a hygienic use.
Also prevent environmental pollution by reducing the waste of soap.
Chung - Ang Unigersity
Seoul, South Korea
So Yeon Kim,
Chung - Ang Unigersity
So Yeun kim,
Chung - Ang Unigersity
Min Ji Kin,
Chung - Ang Unigersity
Ju Hee Lee,
Chung - Ang Unigersity
