Kumburi

Tumble finishing, wanda kuma aka sani da tumbling ko rumbling, wata dabara ce ta laushi da goge wani abu mai kauri a kan ƙananan sassa, irin wannan tsari da ake kira barreling, ko barrel finishing.

Ana amfani da ƙarfe mai juyewa don ƙonawa, gogewa, tsaftacewa, cire walƙiya, cire tsatsa, gogewa, haskakawa, taurare saman, shirya sassa don ƙarin kammalawa, da kuma karya na'urorin da aka yi amfani da su wajen yin siminti.