कोयला माइंस ब्लास्टिंग || Coal Mines blasting .
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- Опубліковано 18 тра 2022
- Blasting in mining is a chemical and physical process that occurs through the firing of explosives. It breaks mineral-bearing materials. These materials can be coal, ore and mineral stone. Blasting fragments materials, splits off rock blocks, and demolishes existing structures.
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