Abu: carbon karfe
Darasi: 4/8/10/12
Maganin farfajiyar: launi na asali, baƙar oxide, murfin wutar lantarki, zafin dumi, dacromet, da sauransu.
Daidaitacce: GB, DIN, ISO, da dai sauransu.
Nau'in zaren: cikakken zaren, zaren rabin
