Clay is an important chemical elements are compounds of Silicon oxide and aluminium icon similar to that found in the soil, but there are several white clay impurities in high quantities, and more detailed size. There is also the name of clay based on the color of the soil through the soil, black soil, burning blue, ivory ground, etc., which is the color of the soil of organic compounds from these in the soil, which will break when the burning process. Fe2O3, TiO2, and are no more than 0 per cent.75 by mass The color of the flesh will be destroyed after the clay is white, but if there are more than 2 per cent by mass effect makes the color of burnt flesh after the soil is likely to be Brown.
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