12 The earliest recognized ceramic was made by mixing pet items with clay and firing it at approximately 800 ? C(1,500 ? F)

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Clay recognition is established by a procedure of refiring the ceramic and assigning a color to it making use of Munsell Dirt Shade notation.

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Clay recognition is identified by a process of refiring the ceramic and designating a color to it making use of Munsell Soil Color symbols.

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. When the ceramics were discharged, the rope burned off however left an attractive pattern of intricate grooves on the surface area.

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