Zopeka Zopeka Zokhudza Oyeretsa Mpweya ndi Zosefera za Hepa Zimayambitsa: M'zaka zaposachedwa, kuipitsidwa kwa mpweya kwakhala nkhani yofunika kwambiri padziko lonse lapansi.Kuti athetse vutoli, anthu ambiri amatembenukira kwa oyeretsa mpweya, makamaka omwe ali ndi zosefera za HEPA, ndi chiyembekezo chotsuka mpweya, ...
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