Definition of leader: A person or thing that holds a dominant or superior position within its field, and is able to exercise a high degree of control or influence over others. See also leadership. She wanted to be the leader of the group, because she thought that she had the best ideas out of anybody.
If so, chances are you already know what terracotta is. Terracotta is a clay-like earthenware ceramic that can be either glazed or unglazed. In addition to being used for flower pots, terracotta is also often used for water and sewage pipes, bricks and sculptures. The word âterracotta comes from the Italian words for âbaked earth..
Limestone itself can be used as the foundation for road construction, and, like other types of stone, is used to construct stone buildings and stone walls. Lime and limestone are also used in many industrial and chemical processes.n addition, limestone is used as an additive to paint and other products, and a source of calcium carbonate which is used in a great deal of products including antacids. Cooked limestone is used to make Portland cement, the key ingredient in mortars, cements, and concrete.