Ukupakisha Utywala ngokudibeneyo butywala kunye nencazelo 'yokupheliswa kwephakheji', ilitye lokunyibilika liza nexabiso elikhethekileyo ngokuchaseneyo nokupakisha kotywala ngokwesiko. Endaweni yenkqubo evulekileyo yokufakelwa kwamatye, ilitye lokunyibilika lenzelwe ukuba lizinyibilikise xa lidibene nendawo enobushushu obuphezulu. Xa iphakheji yotywala ithululelwa ngamanzi ashushu, iphethini 'yemabula' iya kuzinyibilikisa okwangoku abathengi bakulungele ukonwabela isiselo ngemveliso yabo eyenziwe ngesiqhelo. Yindlela entsha yokonwabela isiselo esinxilisayo kunye nokuxabisa ixabiso lesiko.