Ƙarfin wutar lantarki na graphite yana da kyau sosai, ya zarce ƙarfe da yawa da ɗaruruwan lokuta na waɗanda ba ƙarfe ba, don haka ana ƙera shi zuwa sassa masu sarrafawa kamar electrodes da brushes na carbon;
Takamaiman rawar carbon goga
NdFeB maganadiso a halin yanzu sune mafi ƙarfi na dindindin maganadisu.
Motoci marasa gogewa galibi suna amfani da ƙarancin ƙasa NdFeB maganadisu tare da babban aiki,
