Sefa yemhepo inofema mudziyo wakagadzirirwa kubvisa tsvina netsvina mumhepo, zvichiita kuti ive yakachengeteka uye yakakodzera kufema. Mafirita aya anowanzo shandiswa munzvimbo dzinogona kukanganiswa nehunhu hwemhepo, senge munzvimbo dzemaindasitiri, marabhoritari, kana nzvimbo dzekurapa. Anobatsira kudzivirira vanhu kubva mukufema zvidimbu zvinokuvadza, magasi kana utsi huri mumhepo. Mafirita emhepo anofema anowanzo shandisa nzira dzakasiyana-siyana dzekusefa dzakadai se activated carbon, HEPA (High Efficiency Particulate Air), kana mamwe mafirita akasarudzika kubvisa tsvina uye kuve nechokwadi chekuti mhepo yakachena yaunoda kufema. Kana uchida rumwe rubatsiro kana ruzivo nezvemafirita emhepo anofema, ndapota ndiudze!
Nguva yekutumira: Zvita-13-2023