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Blasting Gravel Pit Heap Block

Topic 5 mining methods-part i-surface mining 1.Topic 5 mining methods part i-surface mining hassan z.Harraz hharraz2006yahoo.Com 2010- 2011 prof.Dr.H.Z.Harraz presentation this material is intended for use in lectures, presentations and as handouts to students, and is provided in power point format so as to allow customization for the individual needs of course instructors.