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In a few indoor public occasions, the trash cans have a very bad smell. The coffee muck which is able to deodorize is pressed into a garbage can. When the garbage can is already full, the garbage can will be dumped along with the garbage and both are decomposed.
Asia University
Taichung, Taiwan
YU-HUI CHEN,
Asia University
TING-CHIEH LI,
Asia University
CHEN-MING CHAO,
Asia University