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blue reflectors

Submitted by laurapancoast78 on November 11, 2007 - 5:06pm.

Thanks to a break-through, we finally solved the question of the blue reflectors! They are used by fire departments outside of the city limits to mark where fire hydrants are. The blue color is easily visible at night. 

The full answer is printed in the October 14, 2007 edition of the NRN.

Keep those questions coming in!

Laura Smith, WUWT columnist

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