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Bankin Kankara don Ajiyar Ruwan Kankara
Bankin Kankara ya ƙunshi faranti masu laushi da aka yi da laser da aka rataye a cikin tanki mai ruwa. Bankin kankara yana daskare ruwan zuwa kankara da daddare tare da ƙarancin wutar lantarki, zai kashe da rana lokacin da wutar lantarki ta yi girma. Kankara za ta narke ta zama ruwan kankara wanda za a iya amfani da shi don sanyaya kayayyaki a kaikaice, don haka za ku iya guje wa ƙarin kuɗin wutar lantarki masu tsada.
