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... ave proved that he has indeed invented a new type of black powder with a relatively more reasonable ratio and stronger explosive performance. This kind of gunpowder is not only used as a propellant or explosive material for grenades, but can even be used to dig mountains... Of course, it is also more dangerous. If it is transported and used in a safe environment, this relatively more potent black powder can more efficiently drill rocks and extract rocks, and mine metal ore and open-pit coal mine ...
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