Isondo lamanzi
Ukukhulunywa okudala kakhulu kokufakwa ngaphansi kwesici samanzi ezidingweni ezithile zomnotho sisukela emakhulwini angama-40 (ekuqaleni kwekhulu lesi-XNUMX BC) kufakwe kuKhodi Yemithetho YaseBabiloni. Kunesigaba esimayelana nezijeziso ezitholwa yilabo abanecala lokweba amasondo amanzi, abe esesetshenziselwa ukuchelela amapulazi. Singasho ngokuphepha ukuthi lezi kwakuyizinto ezindala kakhulu eziguqula amandla emvelo engaphili abe yimishini, i.e. izinjini zokuqala. Izinjini zamanzi ezindala kunazo zonke (amasondo amanzi) cishe kwakungokhuni. Ama-blades, okusetshenziselwa ukugeleza komfula ukubeka isondo ngokuzungeza, nawo adlala indima yama-scoops. Babekhuphula amanzi aba izinga eliphezulu futhi bawathele emgodini ofanelekayo wamapulangwe owawuholela emiseleni yokunisela.
