12 The earliest known pottery was made by mixing pet products with clay and shooting it at as much as 800 ? C(1,500 ? F)

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. When the porcelains were discharged, the rope burnt however left a decorative pattern of complex grooves on the surface.

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Clay identification is figured out by a process of refiring the ceramic and appointing a shade to it making use of Munsell Soil Color notation.

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12 The earliest well-known pottery was made by mixing pet products with clay and shooting it at as much as 800 ? C(1,500 ? F)

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