BoomZilla writes "Reading Disney's alliteratively titled Practically
Perfect Pyrotechnics introduces the latest in firework launch technology.
Gone are the 'light blue touch paper and retire a safe distance' days. Shells
are now launched using compressed air. No burning black powder means no smoke
drifting over the residential neighborhoods, plus a safer show. Best of all the
new system is more precise and can launch shells higher than black powder,
enabling spectacular new effects. An additional article:
The future of theme park fireworks
covers some of the pros and cons of compressed air launch systems." We mentioned this earlier.
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