[pro-player type=”mp4″]http://camcrew.co.uk/uploads/GunPowder%20Demonstration.m4v[/pro-player] Gunpowder, is a mixture of sulfur, charcoal, and potassium nitrate. It burns rapidly, producing a volume of hot gas, Because of its burning properties and the amount of heat and gas volume that it generates, gunpowder has been widely used as a propellant in firearms. Gunpowder is classified as […]
Gunpowder
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