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The hand-held cleaner is the appearance of a streamlined, three elliptical cross section are centrifugal rate was 0.618 and the beautiful elliptic, base segmentation for the golden section point. In addition to its less keys, the operation is simple, use charge design, more convenient to use.Compact size, portability and convenient use, mainly for car cleaning, on keyboards, electric appliances also have good effect.
Qingdao Binhai University
QingDao, China
JunYing Liu,
Qingdao Binhai University