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sandySTC: gum solution
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sandySTC: pastel - white kaolin clay, solution C
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sandySTC: pastel - white kaolin clay, solution C
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sandySTC: sketch with kaolin clay pastel
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sandySTC: detail sketch with kaolin clay pastel
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sandySTC: black blue red white
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sandySTC: pastels: white & red oxide quick sketch detail
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sandySTC: pastels: white & red oxide quick sketch