耐火黏土
耐火黏土能做成的東西不多，但每個都是科技進步上不可或缺的要素！耐火黏土比普通黏土能承受更高的高温，因此某些高級設備只能用耐火黏土建造。
Fire clay is made from graphite powder, crushed in a quern, as well as kaolinite powder
淡紅****
Kaolinite powder is made by heating Kaolin Clay. However, the process is not perfect, and only 20%% of clay will form powder!
用耐火黏土塑形成未燒製的坩堝。
作為理想的隔熱材料，耐火磚是建造高爐的必需品。
耐火鑄錠模具是鑄錠模具的升級版。普通的鑄錠模具在使用時有十分之一的概率損壞，而耐火鑄錠模具則只有百分之一。