Tarauni daidai aluminu mai samun hanyar littafin daga cikin karkashin shi a cikin tsarin daidai, ya kawo wannan suna a matsayin wani abubuwa da karkashin daidai. Karkashin aluminu ya samfafa masu ba da so ba a cikin koroshiya, ya yi amfani da yanzu a cikin tsari da amfani da hanyar sauran rubutu suka ke nan da suka ke nan a cikin kwayoyin. Wannan tarauni suke samun abubuwan rubutu daidai, to kula da lubrikaɗa da kimaƙa daidai ta kasancewar rubutu. Suke samun hanyar pumpin labarai, ƙasaƙasakin metering labarai, da amfani da hanyar amfani daidai a cikin sauran rubutu, to kula da sensaɓa na kewayar kushe da valve na kushe a cikin rayar. Amfani da aluminu daidai ya samun amfani da hanyar gasolin daidai da karkashin bayan kusar daidai, ya kawo tarauni aluminu daidai a matsayin wani abubuwan daidai da karkashin rubutu.