Bakin karfe inji ruwa mita tsabtace muhalli, kauce wa biyu gurɓataccen, acid alkali juriya, a high zafin jiki, low zafin jiki ba zai samar da lalata da leakage, aminci da aminci, cimma abinci tsabtace-tsabtace matakin ka'idoji, tare da high daidaito, babban sikelin, dijital nuni karatu mai sauki, tsangwama tsangwama, aminci da sauran amfanin, da ke cikin muhalli, makamashi ceton sabon samfurin.