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Meal powder is the fine dust left over when black powder (gunpowder) is corned and screened to separate it into different grain sizes. It is gun powder dust.
Wind.
Wikipedia has extensive information on the origins of gunpowder / flash powder you should be able to find a wealth of information there.
the difference is that a grenade is filled with gun-powder and you pull a pin and have 10 seconds to throw it and a mine is something that explodes when someone is close to it
Here are some ingredients in fireworks... Charcoal, gun powder (black powder) ( for explosion), alumunuim powder ( for flash), potassium nitrate (saltpeter) (for smoke).
Black powder (gun powder) for explosion magnesuim for shimmer sparkle effect copper for green coloring iron for gold coloring potassium nitrate for smoke and alumunuim powder for flash
Not advisable ... any contact between the gun powder and an electric motor (sparking) may ignite the gun powder and cause serious injury and/or death.
Black Powder.
Gun powder is always a mixture.
Mainly in the stock
gun powder was udes for fireworks, then weapons
Gun Powder is the most important thing in a war because if you don't have gun powder you wouldn't stand a chance.