Aikace-aikace:Wannan kayan aiki don sarrafa abin nadi ne a cikin kera nadi na roba.Za a iya yin gyare-gyaren saman abin nadi na ƙarfe ta hanyar amfani da bel ɗin sanding na grits daban-daban, wanda ba zai iya kawar da abin da ya wuce haddi na kayan roba ba, amma kuma ya dace da abubuwan da ake bukata na m karfe surface da inganta roba adhesion.