تلك التفجيرات تسمى Industrial Explosives بيتم استخدام البارود الاسود ودى بتبقى تفجيرات هندسيه خاصه بمجال التعدين والتربه شاهد تلك الفيديوهات
the 17th century introduction of black powder in mining to the powerful and economical blasting agents which now support the mining and construction industries. Explosive behavior is traced to the very same combustion reactions that drive more familiar power sources, but running millions of times faster. The physical basis for the extraordinary reaction rate of explosives is outlined
In this article we provide a brief overview of chemical explosives history, from primitive Chinese bamboo rockets to the 17th century introduction of …
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