Akheka kanjani amafu?
Amafu akheka lapho kuphakama umoya ofudumele nomhwamuko wamanzi. Zinyukela endaweni lapho umoya upholile ngokwanele ukuba umhwamuko wamanzi uhlanganiswe ube amaconsi amanzi. Amaconsi amanzi agcwele umhwamuko wamanzi ngokuphelele, kodwa angakwazi ukuwugcina wonke njengomhwamuko, aqala ukuqina abe yizimo ezimanzi/eziqinile.