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Well, that's why we have to go back to plants or vegetation, which have fruit, which are planted, if washing plates and glasses or utensils such as those made of brass, silver and certain gilding materials, we in Aceh very often use natural materials and kitchen ash too, such as starting with washing by rubbing lime pulp or lime peel, ash from burning wood, to wash dishes, so that stains and fishy smells disappear, the same thing with iron, silver and brass to make them shiny, followed by and then wiped with a cloth.