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firework shells explained

an very clear and understandable explanation about the working of firework shells also known as ball shells

Added: Sep-25-2012 
By: dennix
Other Entertainment, Science and Technology, Other
Tags: firework, shells, gunpowder, stars, fuse, clear, explanation
Marked as: featured
Views: 40036 | Comments: 141 | Votes: 40 | Favorites: 32 | Shared: 81 | Updates: 0 | Times used in channels: 2
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