Njira zopewera kugwiritsa ntchito chotenthetsera magalimoto ndi motere: 1. Osagwiritsa ntchito zotenthetsera m'malo opangira mafuta, malo osungiramo mafuta, kapena malo okhala ndi mpweya woyaka;2. Osagwiritsa ntchito zotenthetsera m'malo omwe mpweya woyaka kapena fumbi ungapange, monga mafuta, utuchi, ufa wamalasha, silos wambewu, ndi zina zotero;3. Kupewa...
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