Search Results for: Porcelain ornamental ceramic articles
more stable than sand with regard to excavations. clays exhibit plasticity when mixed with water in certain proportions. when dry, clay becomes firm and when fired in a kiln, permanent physical and chemical changes occur. these reactions, among other changes, cause the clay to be converted into a ceramic
material. because of these properties, clay is used for making pottery items, both utilitarian and decorative. different types of clay, when used with different minerals and firing conditions, are used to produce earthenware , stoneware, and porcelain. depending on the content of the soil, clay can...
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