Complex sentence: Dishes are usually made of ceramic materials such as earthenware, stoneware, bone china or porcelain, however can be made of other materials such as wood, pewter, silver, gold, glass, acrylic and plastic.
Split into simpler sentences: Dishes are usually made of ceramic materials such as earthenware, stoneware, bone china or porcelain. However, they can be made of other materials such as wood, pewter, silver, gold, glass, acrylic and plastic.