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Combined display of all available logs of WebRef.org. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

Logs
  • 15:22, 23 November 2020 Webref talk contribs created page Bench blasting (Created page with "A mining system used either underground or in surface pits whereby a thick ore or waste zone is removed by blasting a series of successive horizontal layers called benches. S...")


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