Wopukutidwa mbiri zotayidwa, pamwamba kupukuta mbiri zotayidwa ndi yofunika processing luso mu zotayidwa mbiri processing, amene akhoza kusintha durability ndi aesthetics a zotayidwa mbiri mankhwala, potero kuonjezera mtengo ndi kukopa kwa zotayidwa mbiri mankhwala.