Njengoba imikhiqizo yensimbi engenasici inezici zobuso obushelelezi futhi obuqinile, akulula ukuqoqa ukungcola, kulula ukuyihlanza, ngakho-ke isetshenziswa kabanzi ekuhlobiseni izinto zokwakha, ukucubungula ukudla, ukudla.Imikhiqizo yensimbi engagqwali ibhekisela ekusetshenzisweni kwensimbi engagqwali njengendlela yokucubungula impahla eluhlaza kanye nezidingo zansuku zonke, izimpahla zezimboni.Kuyinsimbi enengxubevange ephezulu ekwazi ukumelana nokugqwala emoyeni noma emithonjeni yamakhemikhali edlayo futhi inendawo ekhangayo kanye nokumelana nokugqwala okuhle.Isetshenziswa ezicini eziningi zensimbi, ngokuvamile ebizwa ngokuthi insimbi engagqwali.