| 摘要 |
A cleaning cloth includes a single piece of a polyvinyl alcohol (PVA)-based sheet that has a working surface formed with a plurality of protrusions protruding therefrom. In one preferred embodiment, any two adjacent ones of the protrusions have an interval ranging from 1.0 to 10.0 mm therebetween. In another preferred embodiment, each of the protrusions has a height ranging from 0.1 to 1.0 mm relative to the working surface.
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