Njerwa zamatabwa zamatabwa zimakhala ndi kachulukidwe kakang'ono, osavala, osatetezedwa ndi madzi komanso chinyezi, choncho palibe chifukwa chodera nkhawa za kuyambiranso kwa chinyezi kunyumba. Njerwa zamatabwa zamatabwa zimakhala ndi mawonekedwe oletsa moto, kukana moto, kukana dzimbiri, komanso kumapewa vuto la formaldehyde, lomwe ...
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