a dish used for food is something that stores food before you eat it and after or the other type is a dish which is placed on a special stand with a insect or and piece of valuble stuff on it ready...
obviously with washing powder. use only a little bit, a teaspoon or so. If that's not available, let them soak and then rinse in fairly hot water. This will get rid of everything but the very greasy...
chicken is used for eating, clothes believe or not , breeding so we can eat the egss, they are used for special family occasions for special meals and stuff like that