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About.com: Chemistry of Firework Colors Discusses incandescence and luminescence and provides table of compounds used to produce firework colors. Links to related sites included. http://chemistry.about.com/science/chemistry/library/weekly/aa062701a.htm
Pains Wessex Australia Pty Ltd. Manufacturer and supplier of civilian and military pyrotechnics, marine distress signals and sea search and rescue equipment including EPIRB's. http://www.painswessex.com.au/
PGI - Pyrotechnics Guild International Worldwide membership organization dedicated to the advancement of safety, skill, and artistry in pyrotechnics. For all ages, both professionals and amateurs. http://www.pgi.org/
Pyro Purity Test How much of a pyro are you? Take this test to find out. http://www.armory.com/~spcecdt/pyrotech/pyrotest.html
Pyro Universe History of fireworks, safety tips, pyrotechnics glossary, forum, chat room, and tips for putting on your own display. http://www.pyrouniverse.com
Pyrotechnics Stories about pyrotechnics, experiments, photo galleries. http://www.armory.com/~spcecdt/pyrotech/
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