Bowls, plates, cups, water tanks, rice tanks, sauerkraut tanks, casseroles, sand pots, flower pots, pottery pots and other supplies. Although pottery has some defects, such as being bulky and waterproof, and gradually losing the upper hand in price, it will not disappear from our life because of its good air permeability and other qualities.
ten thousand years ago, kilns for firing pottery began to appear in China, becoming the first country to produce pottery. The invention of pottery is a major breakthrough in the manufacture of technical wood. Pottery making process.
The properties of clay have been changed, so that a series of chemical changes have taken place in the clay components such as silica, alumina, calcium carbonate (gài) and magnesium oxide (měi) during the firing process, and the pottery has been protected.
excellent durability of water. So pottery not only has new technical significance, but also has new economic significance. It adds cooking methods to people's handling of food, and tools such as ceramic spinning wheels, ceramic knives and ceramic rollers also play an important role in production. At the same time, ceramic containers can make it easy to store grains and water. Therefore, pottery has quickly become a necessity for human life and production, especially for people who have settled down and engaged in agricultural production.