fired refractory materials not of metal in preformed shapes for use in the casting of metal in the foundry industry; pouring cups made from non-metal refractory materials for use in the casting of metal in the foundry industry; pre-formed shapes of non-metal, fired refractory materials, with exothermic or insulating refractory lining for use in making cores and molds

Dinnerware; dinnerware, namely, plates, cups, bowls, saucers; mixing bowls; plates