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In autumn and winter in particular, the environment is dry enough, and large electric charges accumulate, leading to the phenomenon of static electricity which is not only tro-ublesome but also can pose threat to our bodies by the d-ust absorbed. Moreover, high voltage electrostatic also c-an cause great damage to your electronic products. Static electricity itself is long stored and suddenly releas-es, so it is difficult for people to guard against. "Static absorb ring" is desi-gned in case of that condition.
Dalian Nationalities University