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 Address to refer: https://www.researchchannel.co.za/article/failure-not-option-as-tech-champions-push-forward-through-rocky-rd-terrain-2014-09-19
 Article Headline: Failure not option as tech champions push forward through rocky R&D terrain
 Abstract: Only 60% of the gold ore in South Africa’s rich Witwatersrand basin is accessed; 40% is left behind in pillars to protect against seismicity. The mining method then loses a further 25% to 30% of that 60% because blasting breaks the ore into so many pieces that not all of them can be recovered, with fractured sizes ranging from fine powder to large boulders.
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