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lucko100

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lucko100

how can i create a cold gel?

im trying to invent an idea and i need it to be cold like the cool pillows you can now buy? how can i create a cold gel or liquid that will stay cold for as long as possible and can be felt through a...
09:28 Sun 07th Oct 20121 answer, last by Hymie 11:31 Sun 07th Oct 2012

Only 1 question