09:21 Aug 8, 2017 |
Spanish to English translations [PRO] Mining & Minerals / Gems / Mining/ handling of explosives | |||||
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| Selected response from: Jane Martin Local time: 10:13 | ||||
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3 | blast using fused and electric detonators in surface and underground works |
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blast using fused and electric detonators in surface and underground works Explanation: Part of this answer I have given for your other question. Hope this helps. Mining techniques can be divided into two common excavation types: surface mining and sub-surface (underground) mining |
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