/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: hwiesel https://cdn.slidesharecdn.com/profile-photo-hwiesel-48x48.jpg?cb=1718326531 Pós-graduando em sistemas mínero-metalúrgicos UFOP/Fundação GORCEIX/VALE 2011