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How are firecrackers
made?
A firecracker (banger) is
probably one of the most powerful fireworks because the entire contents
explode at once. While the contents of most other fireworks go
off bit by bit, in a firecracker the whole lot is packed into a single
cardboard tube.
The fuse ignites
this and the explosion shoots out of the end of the tube and into
the air. The effects are not only powerful, they are sudden, and
occur from ground level upwards.
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