Chifukwa masitima onyowa amapaka mabakiteriya ndi ma virus, ndikofunikira kuti mupume manja mutatsuka manja anu. Outboshi amagetsi owuma dzanja ndi poplart ndi mabafa wamba. Kuwumitsa panja kumatha kugwira ntchito ndi kukankha batani kapena kugwiritsa ntchito sensor. Chowuma cha yunboshimati chimapangidwa ndi zinthu zakuthupi. Komanso ndizopepuka kwambiri komanso zachilengedwe.

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