/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: JumaMgumbwa https://cdn.slidesharecdn.com/profile-photo-JumaMgumbwa-48x48.jpg?cb=1727771201 Specialties: Rock mechanics, Numerical Modeling, Mine Design, Ground Support Design and Selection, mineral Project Evaluation, Paste Backfill Design, Risk Assesment