Ingabe ukuguquka kohlaka lwethangi kubalulekile?
Ukuthi ukuguquka kohlaka lwethangi kuyakuthinta yini lokhu kuncike esimweni esithile:
1, uma kungekho mthelela ekuphepheni kokushayela noma ukuvuza kwamanzi, akukho mthelela, kodwa kumele kugcinwe ukuhlolwa njalo;
2, uma "ukuguquka" kwethangi lamanzi kukubi kakhulu, kufanele kushintshwe ngesikhathi, ukuze kungathinti isimo senjini;
3. Ngokuvamile, kukhona uhlaka lwethangi lamanzi. Uma kungenxa yezinkinga zokufakwa noma izingozi zomshuwalense (uma), lungathunyelwa ukuze lulungiswe ngesikhathi, ithangi lamanzi liyalungiswa futhi lilungiswe.
