Njira yothirira ya payipiImagwiritsa ntchito madzi opopera madzi kuti iyendetse turbine yamadzi kuti izungulire, winch kuti izungulire kudzera mu chipangizo chosinthasintha liwiro, ndi galimoto yopopera madzi kuti isunthe ndikupopera makina othirira okha. Ili ndi ubwino woyenda mosavuta, kugwiritsa ntchito kosavuta, kusunga ntchito ndi nthawi, kulondola kwambiri kwa kuthirira, kusunga madzi bwino, kusinthasintha kwamphamvu ndi zina zotero. Ndi yoyenera makina othirira madzi osungira madzi okhala ndi malo okwana 100-300 mu.