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lucrative business that is attach to rock mining quarry
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lucrative business that is attach to rock mining quarry

lucrative business that is attach to rock mining quarry

Backfilling is also used with sublevel stoping and VCR mining, with crushed rock introduced as a complement to sand fill. The crushed and screened rock, produced in a nearby quarry, is delivered underground through special backfill raises where it is loaded on trucks and delivered to the stopes where it is dumped into special fill raises.

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High and New Industrial Zone, Kexue Revenue, Zhengzhou, China

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