-
Nkpuchi ihu adịghị akwa akwa 3 dị elu
Nkọwa ngwaahịa
Enwere ike iji ya n'ime ụlọ ọrụ.Ọ nwere agbaze agbaze akwa ka irè nyo pathogenic microorganism, mmiri mmiri na particulate matter.S na-abụghị kpara akwa nwere mgbochi seepage mmetụta na elu-nrụgide splashing mmiri mmiri, na-echebe mmetụta nke atọ masks ka mma.
