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Uv Highlighter?

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Midnight Dream said:
I would say a local electronics/hardware store, as UV Highlighters are generally used to protect against counterfits, and to mark specific items without it being known.
ok thanks ill have to look
 
All highlighters are UV
An invisible ink pen would only be able to be seen under UV light while highlighters have the UV stuff in them as well as normal colour ink.
 
DeepScience said:
All highlighters are UV
An invisible ink pen would only be able to be seen under UV light while highlighters have the UV stuff in them as well as normal colour ink.

good pt
 
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