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Flow Chart Coal Mining System

High selective oil shale mining vivika vizene ingo valgma ttu broken by a grub axe and a hammer and loaded by a hand shovel loss and then oil shale was crushed in an impact crusher whose productivity was 200 th in ubja open cast the 31 rheinische braun kohlen germany lignite surface miner 3800 sm 6 surface miner 2600 krupp industrie technik 1989 42

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