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BIBI is divided into two body parts. They usually clean together. A small body helps where the main body is not clean enough. When a main body faced a small space that is difficult to fit, the small body that follows behind is removed from the main body and cleaned. Return to place after cleaning. Also line it up in front of the charger and it will charge.
Seongnam-si, South Korea
Hye Jung Jin,
Dong Young Hong,
Soo Jung Hwang,