isingeniso esiyisisekelo: Izinto zokuhlanza umoya, ezaziwa nangokuthi “izihlanzi zomoya”, izihlanzi zomoya, izihlanzi, zibhekisela emihlobiso engamunca, yonale noma iguqule ukungcola komoya okuhlukahlukene (okuhlanganisa i-PM2.5, uthuli, impova, iphunga, i-formaldehyde, njll. Ukungcola, amagciwane, izinto ezingezwani nomzimba, njll.), imikhiqizo e...
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