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並前往https://theconversation.com/how-do-fireworks-work-a-pyrotechnics-chemist-explains-the-science-behind-the-brilliant-colors-and-sounds-173576

How do fireworks work? A pyrotechnics chemist explains the ...

Black powder is used to launch the firework in the air as well as ignite and propel the effects – like color – into a pattern in the sky.

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