| 11. | Commercial photographic flash powders are sold as two-part mixtures, to be combined immediately before use.
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| 12. | Flash powder should only be made at the site at which it will be used.
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| 13. | Salute shells usually contain flash powder, producing a quick flash followed by a very loud report.
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| 14. | Flash powder of any formulation should not be mixed in large quantities by the amateur pyrotechnician.
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| 15. | The easiest flash powder formula to make.
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| 16. | Charles, a monster movie fan, tries to scare his aunt with a monster costume and some flash powder.
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| 17. | Nine pour in the flash powder.
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| 18. | Different varieties of flash powder are made from different compositions; most common are potassium perchlorate and aluminium powder.
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| 19. | Flash powder is a low explosive.
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| 20. | Burgess spotted near the body a small bottle of white powder which he assumed to be flash powder.
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