Mutsara 1: Heliair ichagara iine okisijeni inopfuura 21%, uye ichava hypoxic (pasi pe17% okisijeni) nokuda kwemisanganiswa ine pasi pe20% yehelium. Mutsara 2: Heliair ichava neasingasviki 21% okisijeni uye ichava hypoxic (asingasviki 17% okisijeni) nokuda kwemisanganiswa neanopfuura 20% helium. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Kwete