Xintan hopcalite, carbon dioxide adsorbent ndi desiccant amagwiritsidwa ntchito kwambiri mu masks a gasi ndi chipinda chothawirako.Pakayaka moto, utsi wambiri komanso mpweya wa carbon monoxide umapangidwa.Mpweya wochuluka wa carbon monoxide ungayambitse kupuma.Chifukwa chake malo opezeka anthu ambiri ali ...
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