The dye technology used in cave drawings is at the same level as today 's dye technology The technology of electricity produced in that period is a state of the art

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Uploaded by: Mustafa
on Tue, 07 Dec 2010 05:34:33 +0530
 

The dye technology used in cave drawings is at the same level as today 's dye technology The technology of electricity produced in that period is a state of the art

The dye technology used in cave drawings is at the same level as today 's dye technology The tech... Show more

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