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Most pigments used throughout history have been naturally occuring substances.  Technological developments have enabled these substances to be synthesised and new pigments to be developed.  This has greatly increased the variety of pigments available and reduced their cost.
 
Most pigments used throughout history have been naturally occuring substances.  Technological developments have enabled these substances to be synthesised and new pigments to be developed.  This has greatly increased the variety of pigments available and reduced their cost.
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