4. Ngemuva kokuthi ukufakwa sekuqediwe, hlola ithangi lamanzi, uligcwalise ngamanzi, uhlole ukuthi kukhona ukuvuza kwamanzi, hlola ukuthi inqubo yokukhipha amanzi ibushelelezi yini, ingabe kukhona ukuvuza kwamanzi, ukugeleza kwamanzi nezinye izinkinga, futhi