1. Nsalu ya nayiloni Nayiloni ndi ulusi woyamba kupanga kuonekera padziko lapansi.Ili ndi mawonekedwe a kulimba kwabwino, abrasion ndi kukana kukanika, kugwira ntchito bwino komanso kuponderezana, kukana kwa dzimbiri mwamphamvu, kulemera kopepuka, kudaya kosavuta, kuyeretsa kosavuta, etc. Nsalu yoyambirira ndi c...
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