Imishini yokuhlanza amanzi ejikelezayo iwuhlobo lwemishini esetshenziselwa ukubuyisela nokusebenzisa kabusha amanzi angcolile, ukunciphisa izindleko zamanzi nokunciphisa ukungcoliswa kwamanzi, asetshenziswa kakhulu embonini yokuwasha izimoto, ukukhiqizwa kwezimboni, izindawo zokwakha, ukuchelela ngenkasa kwezolimo neminye imikhakha eminingi.