Ceramics, pronounced suh RAM ihks, are one of the three most important types of engineering materials that are primarily synthetic. The other two are metals and plastics. Ceramics include such everyday materials as brick, cement, glass, and porcelain. They also include unusual materials used in electronics and spacecraft. Most ceramics are hard and can withstand heat and chemicals. These properties give them a variety of uses in industry. Artists also create ceramics. This article discusses the use of ceramics in industry.