How to make a firework using a drill

Hi, there, my friends, in this video I want to show you one of the simplest ideas that can help you to produce a very amazing pyrotechnic effect with a Bengal light .\r
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How to make a firework using a drill - HIEPMC GEAR.\r
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How to make a firework using a drill Hi, there, my friends, in this video I want to show you one of the simplest ideas that can help you to produce a very amazing .\r
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In no way do I think you should do this. This was a drill for me personally to find out what elements of stress this drill provided that could simulate the amount of .