Coal Bituminous is a type of coal that is found in many parts of the world. It is composed of layers of sedimentary rock and is known for its high energy content. CANNEL is a type of coal that has a higher carbon content than other types of coal, making it ideal for use in industrial applications. Coals are a type of combustible material that is used to generate heat and electricity. Saar is a region in Germany that is known for its coal mining industry. EMBER is a glowing piece of coal that is produced when coal is burned. TRAM is a type of vehicle that is used to transport coal from one place to another.