An yi amfani da marufi na aluminum (akwatin aluminum da murfin aluminum) a cikin kayan shafawa, abinci, ƙananan kyaututtuka da kayan aikin hannu, samfurori na sirri da sauran filayen.
Amfanin marufin shayin gwangwani baƙin ƙarfe:
1. Gilashin shayi zai iya adana ganyen shayin, ya fi dacewa da ɗauka, kuma baya ɗaukar sarari.
2. Akwatin ƙarfe na iya adana farashin marufi,
3. Samfurin mu na zagaye akwatin ƙarfe yana da haske a cikin nauyi kuma ba shi da sauƙin lalacewa
4. Samfurin yana amfani da kayan da ba su dace da muhalli ba, wanda zai iya zama 100% sake yin amfani da shi kuma kada ya gurɓata muhalli.