Abstract waving spectrum lines is blue, yellow and green colors in the background for your ppt.
http://www.pptbackgrounds.net/waving-spectrums-backgrounds.html
Backgrounds for PowerPoint Templates
by admin · January 5, 2014
Abstract waving spectrum lines is blue, yellow and green colors in the background for your ppt.
http://www.pptbackgrounds.net/waving-spectrums-backgrounds.html
Tags: abstractblackdottedlinespatternshapesspectrumwavingwavy
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