Inowanzo shandiswa mukugadzira kana tsvagiridzo yesainzi, imba yakachena inzvimbo inodzorwa ine mwero wakaderera wezvinosvibisa zvakaita seguruva, hutachiona hwemhepo, aerosol particles, uye kemikari mhute.Kutaura chokwadi, imba yakachena ine ...
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