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mill grinders for explosive powders

Powder Mill | eBay

Powder Sp Grinder Hand Mill Funnel - Plastic 3 Piece with vial - By TitanOwl (1). Bottom piece is funnel shaped, and your powdered sp will funnel down. This grinder is perfect for grinding your .

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Dust explosion - Wikipedia

Mining of coal leads to coal dust, and mills likewise have large amounts of dust as a result of milling. A gigantic explosion of dust destroyed a mill in Minnesota on May 2, 1878, killing 14 ers at the Washburn A Mill and another four in adjacent buildings.

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