Mabanja ambiri amasankha kukhala ndi ziweto kuti azidzisunga okha kampani, mwachitsanzo, amphaka, agalu, ndi zina zotero. Koma ziweto zimafunika kumanga tsitsi nthawi zonse, makamaka ziweto zomwe zimakhala ndi tsitsi lalitali, tsitsi lalitali ndilosavuta kuluka, komanso likhoza kubereka mabakiteriya.Poyeretsa ziweto zaukhondo, ...
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