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The Kid Should See This

How are sparklers made?

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Steel wires are loaded into racks that are dipped twice into a slurry of boric acid, barium nitrate, water, corn starch, iron filings, and aluminum powder. Once they’ve baked in an oven, they’re inspected, measured, and packaged.

From Discovery UK, this low-resolution How It’s Made: Sparklers video walks us through the entire process.

making sparklers
making sparklers
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