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Old 9th December 2009 | 22:01
  #134 (permalink)  
oopspff7
 
Joined: Feb 2008
Posts: 30
Likes: 0
From: Heswall,Merseyside
Could the the FDR not have a small radioactice marker source built in?
A dye system with a radioactive dye attached would last longer than a plain dye marker.Simple thoughts,but I am simple.
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