Hidden beneath the surface: Authenticity
In another tagging method, minute mixes of metals are sprayed on goods and then examined using X-rays, Barron said. A South African diamond supplier uses the method to mark gems, and a copper supplier uses it in overhead high-voltage wires, which are often stolen and resold as scrap in poor countries.
Posted by GilbertZ at 07:06 AM
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Comments:
I'm A student at De Montfort University, I'm studying product design and am currently researching tagging system, Would you mind sending me some information on The tagging systems you use, including the spray and x-ray system.
Please send to:
Tom Gillingham-Sutton
45 Thirlmere street
Leicester
LE2 7GQ
Thank you kindly, Tom
Posted by: Tom Gillingham-Sutton on January 29, 2004 12:41 PM
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