Izakhiwo zensimbikuyisinqumo esidumile samaphrojekthi wokwakha ngenxa yamandla awo, ukuqina, nokuguquguquka. Okuhlanganisa imishayo yensimbi, amakholomu, namathasi, lezi zakhiwo zinikeza umthamo omuhle kakhulu wokuthwala futhi zivame ukusetshenziswa ezinhlotsheni ezihlukahlukene ezifana nezakhiwo zezentengiselwano, izakhiwo zezimboni, amabhuloho, nezakhiwo eziphakeme kakhulu.
Izakhiwo zensimbi zaziwa ngokukhuthazela kwazo ezimweni zemvelo ezifana nezimo zezulu ezimbi kakhulu nomsebenzi wokuzamazama komhlaba, okuzenza zibe ukukhetha okuthembekile kwengqalasizinda ehlala isikhathi eside. Ukwengeza, ukuguquguquka kwensimbi kuvumela imiklamo emisha yezakhiwo kanye nezinqubo zokwakha eziphumelelayo.