Prabhupāda: Just like china clay dishes, this is considered impure because it is repeatedly used. In India, those who are strict Hindus, earthen dishes, once used, it will be thrown away. Clay dishes. So this is china clay dish. It is not to be used again. It is thrown away. Just like you have got paper plates and glass here. You eat it and throw it away. Similarly, India... Now it is being introduced, these paper dishes, gradually, but from very old time, refreshment or foodstuff supplied in clay dishes, and after eating, it is thrown away. So there is a potter class, who flourish. They sell their products. Just like in your country also, so many things are thrown away so that the manufacturer get chance to sell again. So everyone has got a particular type of profession. The potter, the washerman, and the florist, the grain dealer, the silver or gold dealer, the banker, and... Everything.