teravaservaline jämedateraline pulber, mida kasutatakse valandite, sepiste ja stantsiste pinna puhastamisel abrasiivjugapuhastusel (vt abrasiivjugapuhastus; vrd haavel), crushed synthetic or ferrous abrasive material in various mesh sizes that is used in abrasive blasting equipment to clean castings or forgings (see: grit blasting; compare: shot)