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Needs Wikifiying.
Cleanup edit
Everything below the cleanup tag is word-for-word copy from the in-text sources (http://adc.gsfc.nasa.gov/adc/education/space_ex/firework.html and http://inventors.about.com/library/inventors/blrocketfirework.htm). The text needs to be wikified and integrated into the article (in a non-plagiarizing manner). –Dvandersluis 19:59, 16 February 2007 (UTC)