Njengenye yempahla yasekhaya esetyenziswa ngokuqhelekileyo, iitawuli zihlala zidibana nolusu lomntu, olunempembelelo embi kakhulu kwimpilo yabantu.Uninzi lweetawuli ezingafanelekanga ziya kuba neengxaki zokuguquka kombala, kwaye ezinye ziqulethe i-amines enevumba elimnandi, i-carcinogens eyomeleleyo.Ngoko njani...
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