South Sudan Flag and Description. The flag of South Sudan was adopted following the signing of the Comprehensive Peace Agreement that ended the Second Sudanese Civil War. The flag was previously used as the flag of the Sudan People's Liberation Movement.
A ceramic is an inorganic, nonmetallic solid material comprising metal, nonmetal or metalloid atoms primarily held in ionic and covalent bonds. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and often completely amorphous (e.g., glasses). ceramic material is an inorganic, non-metallic, often crystalline oxide, nitride or carbide material. Some elements, such as carbon or silicon, may be considered ceramics. Ceramic materials are brittle, hard, strong in compression, weak in shearing and tension.
They are both ceramic tile. Ceramic is a word derived from the ancient Greek keramos meaning roughly of fired clay. Porcelain is just one of many varieties of fired clay or ceramic tile. Ceramic tile, including porcelain, is made out of clay, some additives such as feldspar, bentonite, and quartz; and water. But, not just any ol' backyard clay will do.