Guess you just have to work in the government or receive a government service to care!
Can I use your http://bizgov.files.wordpress.com/2009/09/light-bulb.jpg
on a district wide handout to calculate the energy cost of lighting our rooms?
I found the graphic on another ".org" blog site, so we do not have proprietary rights to it. I was unable to find the primary owner of the graphic. If you are uncomfortable using it, you might try looking for a similar graphic from a ClipArt website.
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