Timagwiritsa ntchito makina osindikizira tsiku lililonse, koma kodi timachita ntchito yokonzekera bwino zisanafike pa chosindikizira? Ngati ntchito yokonzekera sinachitike bwino, kenako ndikubwereza makina osinthira, kodi zimangowonjezera kuwonongeka kwa osindikizira a UV {{}] Ndiye tifunika kuchita chiyani?

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2. ntchito yoyera .}
3. fufuzani bwino {{1}
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