Ngaba ukuguquka kwesakhelo setanki kubalulekile?
Nokuba ukuguquka kwesakhelo setanki kuyayichaphazela na le nto kuxhomekeke kwimeko ethile:
1, kwimeko apho kungekho mpembelelo kukhuseleko lokuqhuba okanye ukuvuza kwamanzi akukho mpembelelo, kodwa kufuneka kugcinwe uhlolo rhoqo;
2, ukuba "ukuguquka" kwetanki yamanzi kukhulu ngakumbi, kufuneka kutshintshwe ngexesha, ukuze kungachaphazeli imeko yenjini;
3. Ngokubanzi, kukho ifreyimu yetanki yamanzi. Ukuba kungenxa yeengxaki zokufakelwa okanye iingozi zeinshorensi (ukuba), ingathunyelwa ukuba ilungiswe ngexesha, itanki yamanzi iyalungiswa kwaye ilungiswe.